body.page-interval {
  height: auto;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  /* background: linear-gradient(180deg, #fbfcfe 0%, #f6f7f9 52%, #f3f5f8 100%); */
  overflow-x: hidden;
}

body.theme-dark.page-interval {
  background: linear-gradient(180deg, #0f172a 0%, #0b1220 100%);
}

body.page-interval.interval-immersive {
  overflow: hidden;
}

body.page-interval.interval-immersive .interval-site-header,
body.page-interval.interval-immersive #site-footer,
body.page-interval.interval-immersive .site-footer {
  display: none !important;
}

body.page-interval .interval-site-header {
  position: relative;
  z-index: 20;
}

body.page-interval .interval-header-inner {
  max-width: 1120px;
}

body.page-interval .brand-copy {
  position: relative;
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

body.page-interval .brand-copy > .brand {
  align-items: center;
}

body.page-interval .brand-name {
  line-height: 1;
}

body.page-interval .brand-subtitle {
  position: absolute;
  left: 40px;
  top: 28px;
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.3em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--primary);
  pointer-events: none;
  user-select: none;
}

body.page-interval .icon-btn {
  background: transparent;
  border-color: transparent;
}

body.page-interval .icon-btn .material-symbols-outlined {
  color: rgba(20, 30, 40, 0.76);
}

body.theme-dark.page-interval .icon-btn .material-symbols-outlined {
  color: rgba(226, 232, 240, 0.9);
}

body.page-interval .icon-btn:hover:not(:disabled),
body.page-interval .icon-btn:focus-visible {
  background: rgba(255, 255, 255, 0.66);
  border-color: rgba(var(--primary-rgb), 0.12);
}

body.theme-dark.page-interval .icon-btn:hover:not(:disabled),
body.theme-dark.page-interval .icon-btn:focus-visible {
  background: rgba(15, 23, 42, 0.72);
  border-color: rgba(148, 163, 184, 0.2);
}

body.page-interval .tools-dropdown {
  background: rgba(255, 255, 255, 0.96);
  border-color: rgba(var(--primary-rgb), 0.12);
  box-shadow: 0 20px 44px rgba(23, 73, 132, 0.14);
}

body.theme-dark.page-interval .tools-dropdown {
  background: rgba(15, 23, 42, 0.94);
  border-color: rgba(148, 163, 184, 0.22);
  box-shadow: 0 24px 54px rgba(0, 0, 0, 0.35);
}

body.page-interval .tools-item[aria-current="page"] {
  background: rgba(var(--primary-rgb), 0.12);
}

body.theme-dark.page-interval .tools-item[aria-current="page"] {
  background: rgba(96, 165, 250, 0.16);
}

.interval-main {
  position: relative;
  flex: 1;
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px 32px;
  min-height: calc(100vh - 76px);
  min-height: calc(100svh - 76px);
  min-height: calc(100dvh - 76px);
}

body.page-interval.interval-immersive .interval-main {
  max-width: none;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
}

.interval-hero {
  min-height: inherit;
  display: grid;
  align-items: center;
  padding: 10px 0 24px;
}

body.page-interval.interval-immersive .interval-hero {
  min-height: inherit;
  padding: 0;
}

.interval-reference {
  margin-top: 28px;
  padding: 0 0 28px;
}

.interval-reference-wrap {
  display: flex;
  justify-content: center;
}

.interval-reference-card {
  position: relative;
  width: min(100%, 800px);
  max-width: 800px;
  padding: clamp(22px, 3.5vw, 30px);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.98) 100%);
  box-shadow: 0 24px 52px rgba(15, 23, 42, 0.08);
  overflow: hidden;
}

.interval-reference-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.42), transparent 44%, rgba(255, 255, 255, 0.08) 100%);
  pointer-events: none;
}

.interval-reference-header,
.interval-reference-grid {
  position: relative;
  z-index: 1;
}

.interval-reference-title {
  margin: 0;
  font-family: "Outfit", "Inter", sans-serif;
  font-size: clamp(1.5rem, 3.2vw, 1.94rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  color: rgba(20, 35, 58, 0.94);
}

.interval-reference-description {
  margin: 10px 0 0;
  max-width: 60ch;
  color: rgba(20, 35, 58, 0.62);
  font-size: 0.98rem;
  line-height: 1.7;
}

.interval-reference-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.interval-reference-item {
  padding: 18px 18px 20px;
  border: 1px solid rgba(var(--primary-rgb), 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.interval-reference-item-title {
  margin: 0;
  color: rgba(17, 56, 91, 0.94);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.08rem;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.interval-reference-item-description {
  margin: 10px 0 0;
  color: rgba(20, 35, 58, 0.68);
  font-size: 0.94rem;
  line-height: 1.75;
}

body.theme-dark.page-interval .interval-reference-card {
  border-color: rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.96) 0%, rgba(17, 24, 39, 0.98) 100%);
  box-shadow: 0 30px 64px rgba(0, 0, 0, 0.34);
}

body.theme-dark.page-interval .interval-reference-card::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 46%, rgba(96, 165, 250, 0.12) 100%);
}

body.theme-dark.page-interval .interval-reference-title {
  color: rgba(255, 255, 255, 0.94);
}

body.theme-dark.page-interval .interval-reference-description {
  color: rgba(226, 232, 240, 0.72);
}

body.theme-dark.page-interval .interval-reference-item {
  border-color: rgba(96, 165, 250, 0.16);
  background: rgba(15, 23, 42, 0.54);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.theme-dark.page-interval .interval-reference-item-title {
  color: rgba(191, 219, 254, 0.96);
}

body.theme-dark.page-interval .interval-reference-item-description {
  color: rgba(226, 232, 240, 0.74);
}

body.page-interval.interval-immersive .interval-reference {
  display: none;
}

.interval-glow {
  display: none !important;
}

.interval-glow-1 {
  top: 96px;
  left: -40px;
  width: 220px;
  height: 220px;
  background: rgba(26, 110, 242, 0.18);
}

.interval-glow-2 {
  right: -40px;
  bottom: 80px;
  width: 260px;
  height: 260px;
  background: rgba(125, 212, 255, 0.2);
}

body.theme-dark.page-interval .interval-glow-1 {
  background: rgba(96, 165, 250, 0.2);
}

body.theme-dark.page-interval .interval-glow-2 {
  background: rgba(59, 130, 246, 0.18);
}

.interval-card-wrap {
  width: 100%;
  display: flex;
  justify-content: center;
}

body.page-interval.interval-immersive .interval-card-wrap {
  display: block;
  min-height: inherit;
}

.interval-card {
  position: relative;
  width: min(100%, 800px);
  max-width: 800px;
  padding: clamp(20px, 3.5vw, 28px);
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 32px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(248, 250, 252, 0.98) 100%);
  box-shadow: 0 24px 52px rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(14px);
  overflow: hidden;
}

.interval-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.42), transparent 44%, rgba(255, 255, 255, 0.08) 100%);
  pointer-events: none;
}

body.theme-dark.page-interval .interval-card {
  border-color: rgba(148, 163, 184, 0.16);
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.96) 0%, rgba(17, 24, 39, 0.98) 100%);
  box-shadow: 0 30px 64px rgba(0, 0, 0, 0.34);
}

body.theme-dark.page-interval .interval-card::before {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), transparent 46%, rgba(96, 165, 250, 0.12) 100%);
}

.interval-card[data-mode="setup"] .interval-session {
  display: none;
}

.interval-card:not([data-mode="setup"]) .interval-setup {
  display: none;
}

.interval-card-header {
  position: relative;
  z-index: 1;
}

.interval-title {
  margin: 0;
  font-family: "Outfit", "Inter", sans-serif;
  font-size: clamp(1.72rem, 4.1vw, 2.18rem);
  font-weight: 800;
  line-height: 1.02;
  letter-spacing: -0.05em;
  color: rgba(20, 35, 58, 0.94);
}

.interval-description {
  margin: 6px 0 0;
  color: rgba(20, 35, 58, 0.58);
  font-size: 0.92rem;
}

body.theme-dark.page-interval .interval-title {
  color: rgba(255, 255, 255, 0.94);
}

body.theme-dark.page-interval .interval-description {
  color: rgba(226, 232, 240, 0.72);
}

.interval-presets-bar {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-top: 18px;
}

.interval-presets {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  gap: 10px;
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 6px;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--primary-rgb), 0.28) rgba(var(--primary-rgb), 0.08);
  -webkit-overflow-scrolling: touch;
}

.interval-preset {
  flex: 0 0 auto;
  min-width: 122px;
  min-height: 40px;
  padding: 0 12px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), 0.06);
  color: rgba(20, 35, 58, 0.58);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: transform 140ms ease, background 180ms ease, border-color 180ms ease, color 180ms ease;
}

.interval-presets::-webkit-scrollbar {
  height: 8px;
}

.interval-presets::-webkit-scrollbar-track {
  background: rgba(var(--primary-rgb), 0.08);
  border-radius: 999px;
}

.interval-presets::-webkit-scrollbar-thumb {
  background: rgba(var(--primary-rgb), 0.28);
  border-radius: 999px;
}

.interval-preset:hover,
.interval-preset:focus-visible {
  background: rgba(var(--primary-rgb), 0.1);
  border-color: rgba(var(--primary-rgb), 0.12);
  color: rgba(20, 35, 58, 0.82);
  outline: none;
}

.interval-preset:active {
  transform: translateY(1px);
}

.interval-preset.is-active {
  border-color: rgba(26, 110, 242, 0.28);
  background: linear-gradient(135deg, rgba(43, 138, 255, 0.96), rgba(26, 110, 242, 0.88));
  color: rgba(255, 255, 255, 0.98);
}

body.theme-dark.page-interval .interval-preset {
  background: rgba(30, 41, 59, 0.76);
  color: rgba(226, 232, 240, 0.68);
}

body.theme-dark.page-interval .interval-preset:hover,
body.theme-dark.page-interval .interval-preset:focus-visible {
  background: rgba(51, 65, 85, 0.9);
  border-color: rgba(148, 163, 184, 0.2);
  color: rgba(255, 255, 255, 0.92);
}

body.theme-dark.page-interval .interval-preset.is-active {
  background: linear-gradient(135deg, rgba(43, 138, 255, 0.44), rgba(26, 110, 242, 0.34));
  color: rgba(255, 255, 255, 0.96);
  border-color: rgba(43, 138, 255, 0.46);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.24);
}

.interval-preset--adder {
  border-style: dashed;
}

.interval-preset--manager {
  min-width: 166px;
  border-color: rgba(var(--primary-rgb), 0.2);
  background:
    linear-gradient(135deg, rgba(var(--primary-rgb), 0.14), rgba(var(--primary-rgb), 0.06)),
    rgba(255, 255, 255, 0.9);
  color: rgba(17, 56, 91, 0.9);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.72);
}

.interval-preset--manager-fixed {
  flex: 0 0 auto;
  min-width: 122px;
}

.interval-preset-manager-icon {
  display: none;
  font-size: 1.45rem;
  line-height: 1;
}

.interval-preset-manager-label {
  display: inline;
}

.interval-preset--manager:hover,
.interval-preset--manager:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.32);
  background:
    linear-gradient(135deg, rgba(var(--primary-rgb), 0.18), rgba(var(--primary-rgb), 0.08)),
    rgba(255, 255, 255, 0.98);
  color: rgba(17, 56, 91, 0.98);
}

body.theme-dark.page-interval .interval-preset--manager {
  border-color: rgba(125, 211, 252, 0.24);
  background:
    linear-gradient(135deg, rgba(96, 165, 250, 0.18), rgba(30, 41, 59, 0.68)),
    rgba(15, 23, 42, 0.92);
  color: rgba(226, 232, 240, 0.96);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

body.theme-dark.page-interval .interval-preset--manager:hover,
body.theme-dark.page-interval .interval-preset--manager:focus-visible {
  border-color: rgba(125, 211, 252, 0.38);
  background:
    linear-gradient(135deg, rgba(96, 165, 250, 0.24), rgba(51, 65, 85, 0.82)),
    rgba(15, 23, 42, 0.98);
  color: rgba(255, 255, 255, 0.98);
}

body.theme-dark.page-interval .interval-presets {
  scrollbar-color: rgba(96, 165, 250, 0.34) rgba(96, 165, 250, 0.12);
}

body.theme-dark.page-interval .interval-presets::-webkit-scrollbar-track {
  background: rgba(96, 165, 250, 0.12);
}

body.theme-dark.page-interval .interval-presets::-webkit-scrollbar-thumb {
  background: rgba(96, 165, 250, 0.34);
}

.interval-settings {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.interval-settings[hidden] {
  display: none !important;
}

.interval-settings--detail {
  height: 318px;
  max-height: 318px;
  overflow-y: auto;
  padding-right: 8px;
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--primary-rgb), 0.28) rgba(var(--primary-rgb), 0.08);
}

.interval-settings--detail::-webkit-scrollbar {
  width: 8px;
}

.interval-settings--detail::-webkit-scrollbar-track {
  background: rgba(var(--primary-rgb), 0.08);
  border-radius: 999px;
}

.interval-settings--detail::-webkit-scrollbar-thumb {
  background: rgba(var(--primary-rgb), 0.28);
  border-radius: 999px;
}

.interval-setting {
  display: grid;
  grid-template-columns: 1fr auto minmax(112px, auto) auto;
  align-items: center;
  gap: 14px;
  padding: 7px 18px;
  border: 1px solid rgba(var(--primary-rgb), 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

body.theme-dark.page-interval .interval-setting {
  border-color: rgba(148, 163, 184, 0.14);
  background: rgba(15, 23, 42, 0.58);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

body.theme-dark.page-interval .interval-settings--detail {
  scrollbar-color: rgba(96, 165, 250, 0.34) rgba(96, 165, 250, 0.12);
}

body.theme-dark.page-interval .interval-settings--detail::-webkit-scrollbar-track {
  background: rgba(96, 165, 250, 0.12);
}

body.theme-dark.page-interval .interval-settings--detail::-webkit-scrollbar-thumb {
  background: rgba(96, 165, 250, 0.34);
}

.interval-setting-label {
  min-width: 0;
  padding-inline-start: 10px;
  color: rgba(20, 35, 58, 0.9);
  font-size: 1.02rem;
  font-weight: 700;
}

body.theme-dark.page-interval .interval-setting-label {
  color: rgba(255, 255, 255, 0.92);
}

.interval-step {
  width: 38px;
  height: 38px;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.9);
  color: rgba(20, 35, 58, 0.92);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.24rem;
  line-height: 1;
  user-select: none;
  touch-action: manipulation;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-step:hover,
.interval-step:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.3);
  background: #fff;
  outline: none;
}

.interval-step:active {
  transform: translateY(1px);
}

.interval-step:disabled {
  cursor: not-allowed;
  opacity: 0.48;
  transform: none;
}

.interval-step:disabled:hover,
.interval-step:disabled:focus-visible,
.interval-step:disabled:active {
  border-color: rgba(var(--primary-rgb), 0.12);
  background: rgba(255, 255, 255, 0.9);
  color: rgba(20, 35, 58, 0.92);
  outline: none;
}

body.theme-dark.page-interval .interval-step {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.88);
  color: rgba(255, 255, 255, 0.92);
}

body.theme-dark.page-interval .interval-step:hover,
body.theme-dark.page-interval .interval-step:focus-visible {
  border-color: rgba(96, 165, 250, 0.34);
  background: rgba(51, 65, 85, 0.96);
}

body.theme-dark.page-interval .interval-step:disabled:hover,
body.theme-dark.page-interval .interval-step:disabled:focus-visible,
body.theme-dark.page-interval .interval-step:disabled:active {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.88);
  color: rgba(255, 255, 255, 0.92);
}

.interval-setting-display {
  display: grid;
  justify-items: center;
  gap: 0;
  min-width: 112px;
}

.interval-setting-value {
  color: #17428a;
  font-family: "Outfit", "Inter", sans-serif;
  font-size: clamp(1.46rem, 3.2vw, 1.9rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.interval-setting-value--rounds {
  font-size: clamp(1.64rem, 3.2vw, 1.96rem);
}

.interval-setting-caption {
  color: rgba(20, 35, 58, 0.52);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

body.theme-dark.page-interval .interval-setting-value {
  color: #8dc4ff;
}

body.theme-dark.page-interval .interval-setting-caption {
  color: rgba(226, 232, 240, 0.62);
}

.interval-summary {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  grid-template-areas: "sound total reset";
  align-items: center;
  gap: 12px;
  margin-top: 18px;
}

.interval-sound-control {
  grid-area: sound;
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  min-width: 0;
}

.interval-volume-icon {
  width: 18px;
  height: 18px;
  color: rgba(20, 35, 58, 0.78);
  flex: 0 0 auto;
}

.interval-volume-icon svg {
  display: block;
  width: 100%;
  height: 100%;
}

.interval-volume-slider {
  --volume-fill: 70%;
  width: clamp(76px, 14vw, 112px);
  height: 16px;
  margin: 0;
  accent-color: rgba(var(--primary-rgb), 1);
  cursor: pointer;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
}

.interval-volume-slider::-webkit-slider-runnable-track {
  height: 4px;
  background: linear-gradient(
    90deg,
    rgba(var(--primary-rgb), 0.92) 0 var(--volume-fill),
    rgba(var(--primary-rgb), 0.18) var(--volume-fill) 100%
  );
}

.interval-volume-slider::-webkit-slider-thumb {
  width: 10px;
  height: 10px;
  margin-top: -3px;
  border: 0;
  background: rgba(var(--primary-rgb), 0.92);
  -webkit-appearance: none;
  appearance: none;
}

.interval-volume-slider::-moz-range-track {
  height: 4px;
  border: 0;
  background: rgba(var(--primary-rgb), 0.18);
}

.interval-volume-slider::-moz-range-progress {
  height: 4px;
  border: 0;
  background: rgba(var(--primary-rgb), 0.92);
}

.interval-volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border: 0;
  background: rgba(var(--primary-rgb), 0.92);
  box-shadow: 0 2px 8px rgba(15, 23, 42, 0.16);
}

.interval-volume-slider:focus-visible {
  outline: none;
}

.interval-volume-slider:focus-visible::-webkit-slider-thumb {
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.16);
}

.interval-volume-slider:focus-visible::-moz-range-thumb {
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.16);
}

.interval-total {
  grid-area: total;
  justify-self: center;
  width: fit-content;
  margin: 0;
  padding: 9px 16px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(20, 35, 58, 0.86);
}

.interval-total-label {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.interval-total-value {
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.interval-reset-button {
  grid-area: reset;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 12px;
  border: 0;
  background: transparent;
  color: rgba(20, 35, 58, 0.84);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transform-origin: center;
  transition: transform 140ms ease, opacity 180ms ease;
}

.interval-reset-button-icon {
  display: none;
  font-size: 1.3rem;
  line-height: 1;
}

.interval-reset-button[hidden] {
  display: none !important;
}

.interval-reset-button:hover,
.interval-reset-button:focus-visible {
  transform: rotate(-10deg);
  outline: none;
}

.interval-reset-button:active {
  transform: rotate(-14deg) scale(0.96);
}

.interval-reset-button:disabled {
  opacity: 0.5;
  cursor: default;
  transform: none;
}

body.theme-dark.page-interval .interval-total {
  background: rgba(96, 165, 250, 0.12);
  color: rgba(255, 255, 255, 0.9);
}

body.theme-dark.page-interval .interval-volume-icon {
  color: rgba(226, 232, 240, 0.88);
}

body.theme-dark.page-interval .interval-volume-slider::-webkit-slider-runnable-track {
  background: linear-gradient(
    90deg,
    rgba(125, 211, 252, 0.96) 0 var(--volume-fill),
    rgba(148, 163, 184, 0.22) var(--volume-fill) 100%
  );
}

body.theme-dark.page-interval .interval-volume-slider::-webkit-slider-thumb {
  box-shadow: 0 2px 8px rgba(2, 6, 23, 0.3);
}

body.theme-dark.page-interval .interval-volume-slider::-moz-range-track {
  background: rgba(148, 163, 184, 0.22);
}

body.theme-dark.page-interval .interval-volume-slider::-moz-range-progress {
  background: rgba(125, 211, 252, 0.96);
}

body.theme-dark.page-interval .interval-volume-slider::-moz-range-thumb {
  box-shadow: 0 2px 8px rgba(2, 6, 23, 0.3);
}

body.theme-dark.page-interval .interval-reset-button {
  background: transparent;
  color: rgba(226, 232, 240, 0.86);
}

body.theme-dark.page-interval .interval-reset-button:hover,
body.theme-dark.page-interval .interval-reset-button:focus-visible {
  color: rgba(255, 255, 255, 0.96);
}

.interval-start-button {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: 18px;
  min-height: 64px;
  border: 0;
  border-radius: 24px;
  background: linear-gradient(135deg, #2b8aff 0%, #1a6ef2 58%, #4d98ff 100%);
  color: rgba(255, 255, 255, 0.98);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: transform 140ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.interval-start-button:hover,
.interval-start-button:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(26, 110, 242, 0.08);
  filter: saturate(1.04);
  outline: none;
}

.interval-start-button:active {
  transform: translateY(1px);
}

.interval-start-button--compact {
  min-height: 58px;
  margin-top: 0;
  border-radius: 20px;
}

body.theme-dark.page-interval .interval-start-button {
  background: linear-gradient(135deg, #3c90ff 0%, #1a6ef2 100%);
  color: rgba(255, 255, 255, 0.98);
  box-shadow: 0 20px 34px rgba(8, 24, 60, 0.32);
}

.interval-session {
  position: relative;
  z-index: 1;
}

.interval-session-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.interval-session-kicker {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(var(--primary-rgb), 0.1);
  color: var(--primary);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

body.theme-dark.page-interval .interval-session-kicker {
  background: transparent;
  color: rgba(226, 232, 240, 0.72);
}

.interval-session-phase {
  margin: 26px 0 0;
  color: var(--primary);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.18rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.interval-live-time {
  margin-top: 10px;
  color: rgba(20, 35, 58, 0.94);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: clamp(4rem, 16vw, 6.2rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.08em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

body.theme-dark.page-interval .interval-session-phase {
  color: #8dc4ff;
}

body.theme-dark.page-interval .interval-live-time {
  color: rgba(255, 255, 255, 0.96);
}

.interval-session-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 20px;
}

.interval-sound-control--session {
  grid-area: auto;
  grid-row: 7;
  justify-self: center;
  align-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: fit-content;
  margin: 22px 0 0;
}

.interval-control {
  min-height: 56px;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.82);
  color: rgba(20, 35, 58, 0.92);
  font-size: 0.95rem;
  font-weight: 800;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease;
}

.interval-control:hover,
.interval-control:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.28);
  background: #fff;
  outline: none;
}

.interval-control:active {
  transform: translateY(1px);
}

body.theme-dark.page-interval .interval-control {
  border-color: rgba(148, 163, 184, 0.16);
  background: rgba(30, 41, 59, 0.82);
  color: rgba(255, 255, 255, 0.92);
}

body.theme-dark.page-interval .interval-control:hover,
body.theme-dark.page-interval .interval-control:focus-visible {
  border-color: rgba(96, 165, 250, 0.32);
  background: rgba(51, 65, 85, 0.96);
}

.interval-card[data-mode="session"] {
  width: min(100%, 920px);
  max-width: 920px;
  padding: clamp(14px, 2vw, 18px);
  border-color: rgba(125, 211, 252, 0.2);
  background: linear-gradient(180deg, rgba(7, 16, 31, 0.98) 0%, rgba(8, 23, 43, 0.98) 54%, rgba(7, 18, 36, 0.98) 100%);
  box-shadow: 0 32px 72px rgba(2, 8, 23, 0.42);
  --interval-session-control-height: 38px;
  --session-text: rgba(235, 244, 255, 0.98);
  --session-subtle: rgba(191, 219, 254, 0.84);
  --session-dim: rgba(191, 219, 254, 0.58);
  --session-glass: rgba(8, 21, 40, 0.4);
  --session-glass-border: rgba(191, 219, 254, 0.16);
  --water-top: rgba(140, 203, 255, 0.88);
  --water-mid: rgba(71, 137, 214, 0.86);
  --water-deep: rgba(15, 66, 117, 0.96);
}

body.page-interval:not(.theme-dark) .interval-card[data-mode="session"] {
  border-color: rgba(96, 165, 250, 0.18);
  background: linear-gradient(180deg, rgba(242, 248, 255, 0.98) 0%, rgba(223, 238, 251, 0.98) 58%, rgba(209, 228, 244, 0.98) 100%);
  box-shadow: 0 28px 60px rgba(55, 101, 146, 0.16);
  --session-text: rgba(15, 23, 42, 0.96);
  --session-subtle: rgba(30, 41, 59, 0.82);
  --session-dim: rgba(30, 41, 59, 0.6);
  --session-glass: rgba(255, 255, 255, 0.48);
  --session-glass-border: rgba(96, 165, 250, 0.16);
  --water-top: rgba(125, 202, 255, 0.78);
  --water-mid: rgba(73, 150, 219, 0.72);
  --water-deep: rgba(24, 100, 166, 0.9);
}

body.page-interval.interval-immersive .interval-card[data-mode="session"] {
  width: 100%;
  max-width: none;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  padding: 0;
  border: 0;
  box-shadow: none;
}

body.page-interval.interval-immersive .interval-card[data-mode="session"]::before {
  inset: 0;
}

.interval-card[data-mode="session"]::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.1), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.04), transparent 42%, rgba(96, 165, 250, 0.12) 100%);
}

body.page-interval:not(.theme-dark) .interval-card[data-mode="session"]::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.42), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.34), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 42%, rgba(96, 165, 250, 0.12) 100%);
}

.interval-card[data-phase="rest"] {
  --water-top: rgba(147, 244, 230, 0.86);
  --water-mid: rgba(73, 184, 186, 0.84);
  --water-deep: rgba(12, 92, 101, 0.96);
}

body.page-interval:not(.theme-dark) .interval-card[data-phase="rest"] {
  --water-top: rgba(185, 247, 236, 0.88);
  --water-mid: rgba(108, 214, 201, 0.82);
  --water-deep: rgba(35, 142, 149, 0.92);
}

body.page-interval:not(.theme-dark) .interval-card[data-phase="rest"]::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.42), transparent 34%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), transparent 28%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.22), transparent 40%, rgba(45, 212, 191, 0.22) 100%);
}

.interval-session {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 0.5fr) auto auto auto auto auto minmax(0, 0.9fr);
  align-items: center;
  justify-items: center;
  width: 100%;
  min-height: clamp(540px, calc(100svh - 168px), 760px);
  min-height: clamp(540px, calc(100dvh - 168px), 760px);
  padding: clamp(32px, 5vw, 52px) clamp(20px, 4vw, 40px) clamp(20px, 3vw, 30px);
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}

body.page-interval.interval-immersive .interval-session {
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  padding: clamp(28px, 6vw, 56px) clamp(20px, 5vw, 48px) clamp(22px, 4vw, 40px);
}

.interval-session::before,
.interval-session::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.interval-session::before {
  z-index: 1;
  background:
    radial-gradient(circle at 50% 16%, rgba(255, 255, 255, 0.12), transparent 32%),
    radial-gradient(circle at 50% 110%, rgba(125, 211, 252, 0.28), transparent 46%);
}

.interval-session::after {
  z-index: 1;
  background: linear-gradient(180deg, rgba(2, 8, 23, 0.08), transparent 24%, transparent 72%, rgba(2, 8, 23, 0.2) 100%);
}

body.page-interval:not(.theme-dark) .interval-session::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.52), transparent 30%),
    radial-gradient(circle at 50% 110%, rgba(96, 165, 250, 0.18), transparent 46%);
}

body.page-interval:not(.theme-dark) .interval-card[data-phase="rest"] .interval-session::before {
  background:
    radial-gradient(circle at 50% 14%, rgba(255, 255, 255, 0.48), transparent 30%),
    radial-gradient(circle at 50% 110%, rgba(45, 212, 191, 0.22), transparent 48%);
}

body.page-interval:not(.theme-dark) .interval-session::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 24%, transparent 72%, rgba(125, 211, 252, 0.1) 100%);
}

body.page-interval:not(.theme-dark) .interval-card[data-phase="rest"] .interval-session::after {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent 24%, transparent 72%, rgba(45, 212, 191, 0.12) 100%);
}

.interval-session > *:not(.interval-session-water) {
  position: relative;
  z-index: 2;
}

.interval-session-water {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.interval-session-water-fill {
  position: absolute;
  inset: auto 0 0 0;
  height: var(--interval-water-level, 0%);
  min-height: 0;
  background: linear-gradient(180deg, var(--water-top) 0%, var(--water-mid) 40%, var(--water-deep) 100%);
  box-shadow:
    inset 0 16px 32px rgba(255, 255, 255, 0.14),
    0 -24px 44px rgba(56, 189, 248, 0.12);
  overflow: hidden;
  transition: height 180ms linear, filter 180ms linear;
  will-change: height;
}

.interval-session-water-fill::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0) 24%),
    radial-gradient(circle at 18% 28%, rgba(255, 255, 255, 0.1) 0 2px, transparent 3px) 0 0 / 160px 160px,
    radial-gradient(circle at 72% 58%, rgba(255, 255, 255, 0.08) 0 3px, transparent 4px) 0 0 / 190px 190px;
  opacity: 0.72;
  mix-blend-mode: screen;
  animation: interval-water-shimmer 18s linear infinite;
}

.interval-session-water-fill[data-paused="true"]::before {
  animation-play-state: paused;
}

.interval-session-top {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  grid-row: 2;
  gap: 0;
  width: auto;
  margin-top: 0;
  transform: translateY(-20px);
  text-align: center;
}

.interval-session-kicker {
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--session-dim);
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  backdrop-filter: none;
  box-shadow: none;
}

.interval-session-phase {
  grid-row: 3;
  margin: 0 0 12px;
  color: var(--session-text);
  font-size: clamp(2.6rem, 8vw, 3.4rem);
  line-height: 1.04;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.interval-live-time {
  grid-row: 4;
  margin: 0;
  color: var(--session-text);
  font-size: clamp(7rem, 26vw, 13rem);
  line-height: 0.86;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  text-shadow: 0 0 32px rgba(8, 18, 35, 0.14);
}

.interval-session-actions {
  grid-row: 5;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  width: auto;
  max-width: none;
  align-self: start;
  margin-top: 0;
  gap: 14px;
  padding-top: 18px;
}

.interval-card[data-mode="session"] .interval-session-actions {
  transform: translateY(var(--interval-session-control-height));
}

.interval-card[data-mode="session"] .interval-sound-control--session {
  grid-row: 6;
  transform: translateY(calc(var(--interval-session-control-height) + 10px));
}

.interval-card[data-mode="session"] .interval-sound-control--session .interval-volume-icon {
  color: var(--session-text);
}

.interval-card[data-mode="session"] .interval-sound-control--session .interval-volume-slider {
  width: clamp(96px, 18vw, 132px);
}

.interval-card[data-mode="session"] .interval-control {
  min-height: var(--interval-session-control-height);
  min-width: 112px;
  padding: 0 12px;
  border-color: var(--session-glass-border);
  background: var(--session-glass);
  color: var(--session-text);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  backdrop-filter: blur(12px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.interval-card[data-mode="session"] .interval-control:hover,
.interval-card[data-mode="session"] .interval-control:focus-visible {
  border-color: rgba(191, 219, 254, 0.28);
  background: rgba(15, 30, 54, 0.56);
}

body.page-interval:not(.theme-dark) .interval-card[data-mode="session"] .interval-control:hover,
body.page-interval:not(.theme-dark) .interval-card[data-mode="session"] .interval-control:focus-visible {
  background: rgba(255, 255, 255, 0.72);
}

body.page-interval:not(.theme-dark) .interval-card[data-mode="session"] .interval-sound-control--session .interval-volume-slider::-webkit-slider-runnable-track {
  background: linear-gradient(
    90deg,
    rgba(var(--primary-rgb), 0.94) 0 var(--volume-fill),
    rgba(96, 165, 250, 0.18) var(--volume-fill) 100%
  );
}

body.page-interval:not(.theme-dark) .interval-card[data-mode="session"] .interval-sound-control--session .interval-volume-slider::-moz-range-track {
  background: rgba(96, 165, 250, 0.18);
}

body.page-interval:not(.theme-dark) .interval-card[data-mode="session"] .interval-sound-control--session .interval-volume-slider::-moz-range-progress {
  background: rgba(var(--primary-rgb), 0.94);
}

.interval-card[data-mode="session"] #interval-stop-button {
  color: var(--session-text);
}

@keyframes interval-water-shimmer {
  from {
    background-position:
      0 0,
      0 0,
      0 0;
  }

  to {
    background-position:
      0 0,
      -180px -220px,
      220px -180px;
  }
}

body.interval-modal-open {
  overflow: hidden;
}

.interval-modal[hidden] {
  display: none;
}

.interval-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 20px;
}

.interval-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 35, 58, 0.28);
  backdrop-filter: blur(6px);
}

.interval-modal-panel {
  position: relative;
  z-index: 1;
  width: min(100%, 420px);
  padding: 24px;
  border: 1px solid rgba(var(--primary-rgb), 0.14);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 26px 56px rgba(23, 73, 132, 0.2);
}

.interval-modal-panel--manager {
  width: min(100%, 620px);
  overflow: hidden;
}

.interval-modal-panel--manager.is-adding {
  min-height: min(720px, calc(100dvh - 40px));
}

.interval-modal-panel--manager.is-detailing {
  width: min(100%, 780px);
}

.interval-modal-title {
  margin: 0;
  color: rgba(20, 35, 58, 0.94);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.interval-modal-description {
  margin: 8px 0 0;
  color: rgba(20, 35, 58, 0.62);
  font-size: 0.92rem;
}

.interval-modal-field {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.interval-modal-label {
  color: rgba(20, 35, 58, 0.76);
  font-size: 0.84rem;
  font-weight: 700;
}

.interval-modal-input {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border: 1px solid rgba(var(--primary-rgb), 0.14);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.92);
  font-size: 0.96rem;
  outline: none;
}

.interval-modal-input:focus {
  border-color: rgba(var(--primary-rgb), 0.38);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.12);
}

.interval-modal-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 18px;
}

.interval-modal-actions--compact {
  margin-top: 14px;
}

.interval-modal-actions--single {
  grid-template-columns: 1fr;
}

.interval-manager-list {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  max-height: min(50vh, 408px);
  overflow-y: auto;
  padding: 0 4px 10px 0;
  scroll-padding-bottom: 18px;
  scrollbar-width: thin;
  scrollbar-color: rgba(var(--primary-rgb), 0.28) rgba(var(--primary-rgb), 0.08);
}

.interval-manager-list::-webkit-scrollbar {
  width: 8px;
}

.interval-manager-list::-webkit-scrollbar-track {
  background: rgba(var(--primary-rgb), 0.08);
  border-radius: 999px;
}

.interval-manager-list::-webkit-scrollbar-thumb {
  background: rgba(var(--primary-rgb), 0.28);
  border-radius: 999px;
}

.interval-manager-empty {
  margin: 0;
  padding: 18px 16px;
  border: 1px dashed rgba(var(--primary-rgb), 0.16);
  border-radius: 22px;
  background: rgba(var(--primary-rgb), 0.04);
  color: rgba(20, 35, 58, 0.58);
  font-size: 0.92rem;
  text-align: center;
}

.interval-manager-item {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 7px 16px;
  scroll-margin-bottom: 18px;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 22px;
  transition: transform 160ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.interval-manager-item[draggable="true"] {
  cursor: grab;
}

.interval-manager-item[draggable="true"]:active {
  cursor: grabbing;
}

.interval-manager-item.is-active {
  border-color: rgba(var(--primary-rgb), 0.22);
}

.interval-manager-item.is-dragging {
  opacity: 0.42;
  transform: scale(0.985);
}

.interval-manager-item.is-drop-before {
  box-shadow:
    inset 0 4px 0 rgba(var(--primary-rgb), 0.84),
    0 12px 26px rgba(23, 73, 132, 0.08);
}

.interval-manager-item.is-drop-after {
  box-shadow:
    inset 0 -4px 0 rgba(var(--primary-rgb), 0.84),
    0 12px 26px rgba(23, 73, 132, 0.08);
}

.interval-manager-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
}

.interval-manager-handle {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: rgba(var(--primary-rgb), 0.08);
  color: rgba(20, 35, 58, 0.42);
}

.interval-manager-copy {
  min-width: 0;
}

.interval-manager-actions {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.interval-manager-name {
  display: block;
  color: rgba(20, 35, 58, 0.92);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  line-height: 1.15;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.interval-manager-edit,
.interval-manager-delete {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid rgba(var(--primary-rgb), 0.14);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.62);
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-edit:hover,
.interval-manager-edit:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.24);
  background: rgba(var(--primary-rgb), 0.08);
  color: rgba(20, 35, 58, 0.9);
  outline: none;
}

.interval-manager-delete {
  border-color: rgba(224, 74, 74, 0.14);
  color: rgba(197, 57, 57, 0.76);
}

.interval-manager-delete:hover,
.interval-manager-delete:focus-visible {
  border-color: rgba(224, 74, 74, 0.28);
  background: rgba(255, 238, 238, 0.98);
  color: rgba(173, 37, 37, 0.92);
  outline: none;
}

.interval-manager-edit:active,
.interval-manager-delete:active {
  transform: translateY(1px);
}

.interval-manager-edit svg,
.interval-manager-delete svg,
.interval-manager-handle svg {
  width: 18px;
  height: 18px;
}

.interval-manager-confirm {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(var(--primary-rgb), 0.14);
}

.interval-manager-confirm-copy {
  color: rgba(20, 35, 58, 0.68);
  font-size: 0.88rem;
  font-weight: 700;
}

.interval-manager-confirm-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.interval-manager-confirm-button {
  min-height: 34px;
  padding: 0 14px;
  border: 1px solid rgba(var(--primary-rgb), 0.14);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.74);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-confirm-button:hover,
.interval-manager-confirm-button:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.24);
  background: rgba(var(--primary-rgb), 0.08);
  color: rgba(20, 35, 58, 0.92);
  outline: none;
}

.interval-manager-confirm-button:active {
  transform: translateY(1px);
}

.interval-manager-confirm-button--danger {
  border-color: rgba(224, 74, 74, 0.18);
  background: rgba(255, 240, 240, 0.96);
  color: rgba(173, 37, 37, 0.9);
}

.interval-manager-confirm-button--danger:hover,
.interval-manager-confirm-button--danger:focus-visible {
  border-color: rgba(224, 74, 74, 0.28);
  background: rgba(255, 230, 230, 1);
  color: rgba(150, 22, 22, 0.96);
}

.interval-manager-add {
  margin-top: 14px;
}

.interval-manager-add-actions[hidden],
.interval-manager-add-form[hidden],
.interval-manager-detail-form[hidden] {
  display: none !important;
}

.interval-manager-add-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.interval-manager-add-toggle,
.interval-manager-detail-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 56px;
  padding: 7px 18px;
  border-radius: 22px;
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.02rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.interval-manager-add-toggle {
  border: 1.5px solid rgba(var(--primary-rgb), 0.22);
  background:
    linear-gradient(180deg, rgba(var(--primary-rgb), 0.07), rgba(var(--primary-rgb), 0.04)),
    rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.84);
  box-shadow: none;
}

.interval-manager-detail-toggle {
  border: 1.5px solid rgba(var(--primary-rgb), 0.18);
  background: rgba(255, 255, 255, 0.82);
  color: rgba(20, 35, 58, 0.72);
}

.interval-manager-add-toggle:hover,
.interval-manager-add-toggle:focus-visible,
.interval-manager-detail-toggle:hover,
.interval-manager-detail-toggle:focus-visible {
  outline: none;
}

.interval-manager-add-toggle:hover,
.interval-manager-add-toggle:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.34);
  background:
    linear-gradient(180deg, rgba(var(--primary-rgb), 0.1), rgba(var(--primary-rgb), 0.06)),
    rgba(255, 255, 255, 0.98);
  color: rgba(20, 35, 58, 0.96);
  box-shadow: none;
}

.interval-manager-detail-toggle:hover,
.interval-manager-detail-toggle:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.28);
  background: rgba(255, 255, 255, 0.96);
  color: rgba(20, 35, 58, 0.9);
}

.interval-manager-add-toggle:active,
.interval-manager-detail-toggle:active {
  transform: translateY(1px);
}

.interval-manager-add-icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: rgba(var(--primary-rgb), 0.16);
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

.interval-manager-add-form,
.interval-manager-detail-form {
  position: absolute;
  inset: 18px;
  z-index: 4;
  display: grid;
  place-items: center;
  padding: 24px;
  border-radius: 26px;
  background: rgba(240, 247, 255, 0.56);
  backdrop-filter: blur(10px);
}

.interval-manager-add-sheet {
  width: min(100%, 500px);
  max-height: none;
  overflow: visible;
  padding: 22px 20px;
  border: 1px solid rgba(var(--primary-rgb), 0.16);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.98);
  box-shadow: 0 24px 52px rgba(23, 73, 132, 0.18);
}

.interval-manager-detail-sheet {
  width: min(100%, 700px);
  max-height: min(100%, 720px);
  overflow: auto;
}

.interval-manager-add-sheet .interval-modal-field {
  margin-top: 0;
}

.interval-manager-detail-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.interval-manager-add-setting.interval-manager-detail-item {
  position: relative;
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 8px;
  padding: 8px 10px;
  transition: transform 160ms ease, border-color 180ms ease, box-shadow 180ms ease, opacity 160ms ease;
}

.interval-manager-detail-item.is-dragging {
  opacity: 0.42;
  transform: scale(0.985);
}

.interval-manager-detail-item.is-drop-before {
  box-shadow:
    inset 0 4px 0 rgba(var(--primary-rgb), 0.84),
    0 12px 26px rgba(23, 73, 132, 0.08);
}

.interval-manager-detail-item.is-drop-after {
  box-shadow:
    inset 0 -4px 0 rgba(var(--primary-rgb), 0.84),
    0 12px 26px rgba(23, 73, 132, 0.08);
}

.interval-manager-detail-handle {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 26px;
  height: 36px;
  border-radius: 12px;
  color: rgba(20, 35, 58, 0.4);
  cursor: grab;
  user-select: none;
}

.interval-manager-detail-handle:active {
  cursor: grabbing;
}

.interval-manager-detail-handle svg {
  width: 16px;
  height: 16px;
}

.interval-manager-detail-label-shell {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
}

.interval-manager-detail-label-input {
  width: 100%;
  min-width: 0;
  height: 40px;
  padding: 0 38px 0 14px;
  border: 1px solid rgba(var(--primary-rgb), 0.1);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.92);
  font-size: 0.9rem;
  font-weight: 700;
  outline: none;
}

.interval-manager-detail-label-input:focus {
  border-color: rgba(var(--primary-rgb), 0.34);
  box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.12);
}

.interval-manager-detail-edit-icon {
  position: absolute;
  top: 50%;
  right: 12px;
  display: grid;
  place-items: center;
  width: 16px;
  height: 16px;
  color: rgba(20, 35, 58, 0.38);
  pointer-events: none;
  transform: translateY(-50%);
}

.interval-manager-detail-edit-icon svg {
  width: 16px;
  height: 16px;
}

.interval-manager-detail-step {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.92);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.12rem;
  line-height: 1;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-detail-step:hover,
.interval-manager-detail-step:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.28);
  background: #fff;
  outline: none;
}

.interval-manager-detail-step:active {
  transform: translateY(1px);
}

.interval-manager-detail-remove {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(239, 68, 68, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(153, 27, 27, 0.82);
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-detail-copy {
  display: grid;
  flex: 0 0 auto;
  place-items: center;
  margin-left: 8px;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid rgba(var(--primary-rgb), 0.16);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.72);
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-detail-copy:hover,
.interval-manager-detail-copy:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.3);
  background: rgba(var(--primary-rgb), 0.08);
  color: rgba(20, 35, 58, 0.94);
  outline: none;
}

.interval-manager-detail-copy:active {
  transform: translateY(1px);
}

.interval-manager-detail-copy svg {
  width: 18px;
  height: 18px;
}

.interval-manager-detail-remove:hover,
.interval-manager-detail-remove:focus-visible {
  border-color: rgba(239, 68, 68, 0.3);
  background: rgba(255, 239, 239, 0.96);
  color: rgba(153, 27, 27, 0.96);
  outline: none;
}

.interval-manager-detail-remove:active {
  transform: translateY(1px);
}

.interval-manager-detail-remove svg {
  width: 18px;
  height: 18px;
}

.interval-manager-detail-add-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 52px;
  margin-top: 12px;
  padding: 8px 16px;
  border: 1.5px dashed rgba(var(--primary-rgb), 0.22);
  border-radius: 20px;
  background: rgba(var(--primary-rgb), 0.04);
  color: rgba(20, 35, 58, 0.78);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 0.96rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-detail-add-item:hover,
.interval-manager-detail-add-item:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.34);
  background: rgba(var(--primary-rgb), 0.08);
  color: rgba(20, 35, 58, 0.94);
  outline: none;
}

.interval-manager-detail-add-item:active {
  transform: translateY(1px);
}

.interval-manager-detail-add-item:disabled {
  opacity: 0.56;
  cursor: not-allowed;
}

.interval-manager-detail-rounds {
  margin-top: 14px;
}

.interval-manager-detail-empty {
  padding: 16px 18px;
  border: 1px dashed rgba(var(--primary-rgb), 0.18);
  border-radius: 20px;
  background: rgba(var(--primary-rgb), 0.03);
  color: rgba(20, 35, 58, 0.62);
  font-size: 0.88rem;
  line-height: 1.6;
}

.interval-manager-detail-feedback {
  margin: 12px 4px 0;
  color: rgba(180, 34, 34, 0.92);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.5;
}

.interval-manager-add-settings {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.interval-manager-add-setting {
  display: grid;
  grid-template-columns: 1fr auto minmax(86px, auto) auto;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 20px;
  background: rgba(var(--primary-rgb), 0.04);
}

.interval-manager-add-label {
  min-width: 0;
  color: rgba(20, 35, 58, 0.84);
  font-size: 0.84rem;
  font-weight: 700;
}

.interval-manager-add-value {
  display: block;
  min-width: 86px;
  color: #17428a;
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.22rem;
  font-weight: 800;
  line-height: 0.95;
  text-align: center;
  letter-spacing: -0.06em;
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
}

.interval-manager-add-value--rounds {
  font-size: 1.34rem;
}

.interval-manager-add-step {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 1px solid rgba(var(--primary-rgb), 0.12);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.92);
  color: rgba(20, 35, 58, 0.92);
  font-family: "Outfit", "Inter", sans-serif;
  font-size: 1.12rem;
  line-height: 1;
  user-select: none;
  touch-action: manipulation;
  transition: transform 140ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.interval-manager-add-step:hover,
.interval-manager-add-step:focus-visible {
  border-color: rgba(var(--primary-rgb), 0.28);
  background: #fff;
  outline: none;
}

.interval-manager-add-step:active {
  transform: translateY(1px);
}

body.theme-dark.page-interval .interval-modal-backdrop {
  background: rgba(2, 6, 23, 0.56);
}

body.theme-dark.page-interval .interval-modal-panel {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.96);
  box-shadow: 0 28px 60px rgba(0, 0, 0, 0.4);
}

body.theme-dark.page-interval .interval-modal-title {
  color: rgba(255, 255, 255, 0.96);
}

body.theme-dark.page-interval .interval-modal-description,
body.theme-dark.page-interval .interval-modal-label {
  color: rgba(226, 232, 240, 0.72);
}

body.theme-dark.page-interval .interval-modal-input {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.86);
  color: rgba(255, 255, 255, 0.94);
}

body.theme-dark.page-interval .interval-manager-list {
  scrollbar-color: rgba(96, 165, 250, 0.34) rgba(96, 165, 250, 0.12);
}

body.theme-dark.page-interval .interval-manager-list::-webkit-scrollbar-track {
  background: rgba(96, 165, 250, 0.12);
}

body.theme-dark.page-interval .interval-manager-list::-webkit-scrollbar-thumb {
  background: rgba(96, 165, 250, 0.34);
}

body.theme-dark.page-interval .interval-manager-empty {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.68);
  color: rgba(226, 232, 240, 0.68);
}

body.theme-dark.page-interval .interval-manager-item {
  border-color: rgba(148, 163, 184, 0.18);
  background: linear-gradient(180deg, rgba(30, 41, 59, 0.92), rgba(15, 23, 42, 0.94));
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.26);
}

body.theme-dark.page-interval .interval-manager-item.is-active {
  border-color: rgba(96, 165, 250, 0.28);
}

body.theme-dark.page-interval .interval-manager-item.is-drop-before {
  box-shadow:
    inset 0 4px 0 rgba(125, 211, 252, 0.88),
    0 16px 32px rgba(0, 0, 0, 0.26);
}

body.theme-dark.page-interval .interval-manager-item.is-drop-after {
  box-shadow:
    inset 0 -4px 0 rgba(125, 211, 252, 0.88),
    0 16px 32px rgba(0, 0, 0, 0.26);
}

body.theme-dark.page-interval .interval-manager-handle {
  background: rgba(51, 65, 85, 0.88);
  color: rgba(226, 232, 240, 0.52);
}

body.theme-dark.page-interval .interval-manager-name {
  color: rgba(255, 255, 255, 0.94);
}

body.theme-dark.page-interval .interval-manager-edit,
body.theme-dark.page-interval .interval-manager-delete {
  background: rgba(30, 41, 59, 0.9);
}

body.theme-dark.page-interval .interval-manager-edit {
  border-color: rgba(148, 163, 184, 0.18);
  color: rgba(226, 232, 240, 0.74);
}

body.theme-dark.page-interval .interval-manager-edit:hover,
body.theme-dark.page-interval .interval-manager-edit:focus-visible {
  border-color: rgba(125, 211, 252, 0.28);
  background: rgba(51, 65, 85, 0.92);
  color: rgba(255, 255, 255, 0.96);
}

body.theme-dark.page-interval .interval-manager-delete {
  border-color: rgba(248, 113, 113, 0.18);
  color: rgba(254, 202, 202, 0.78);
}

body.theme-dark.page-interval .interval-manager-delete:hover,
body.theme-dark.page-interval .interval-manager-delete:focus-visible {
  border-color: rgba(248, 113, 113, 0.28);
  background: rgba(69, 10, 10, 0.54);
  color: rgba(254, 226, 226, 0.96);
}

body.theme-dark.page-interval .interval-manager-confirm {
  border-top-color: rgba(148, 163, 184, 0.14);
}

body.theme-dark.page-interval .interval-manager-confirm-copy {
  color: rgba(226, 232, 240, 0.7);
}

body.theme-dark.page-interval .interval-manager-confirm-button {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.9);
  color: rgba(226, 232, 240, 0.8);
}

body.theme-dark.page-interval .interval-manager-confirm-button:hover,
body.theme-dark.page-interval .interval-manager-confirm-button:focus-visible {
  border-color: rgba(125, 211, 252, 0.28);
  background: rgba(51, 65, 85, 0.92);
  color: rgba(255, 255, 255, 0.96);
}

body.theme-dark.page-interval .interval-manager-confirm-button--danger {
  border-color: rgba(248, 113, 113, 0.22);
  background: rgba(69, 10, 10, 0.54);
  color: rgba(254, 202, 202, 0.92);
}

body.theme-dark.page-interval .interval-manager-confirm-button--danger:hover,
body.theme-dark.page-interval .interval-manager-confirm-button--danger:focus-visible {
  border-color: rgba(248, 113, 113, 0.34);
  background: rgba(127, 29, 29, 0.6);
  color: rgba(254, 226, 226, 0.98);
}

body.theme-dark.page-interval .interval-manager-add-toggle {
  border-color: rgba(96, 165, 250, 0.26);
  background:
    linear-gradient(180deg, rgba(96, 165, 250, 0.14), rgba(30, 41, 59, 0.42)),
    rgba(15, 23, 42, 0.94);
  color: rgba(255, 255, 255, 0.92);
}

body.theme-dark.page-interval .interval-manager-detail-toggle {
  border-color: rgba(148, 163, 184, 0.22);
  background: rgba(15, 23, 42, 0.84);
  color: rgba(226, 232, 240, 0.8);
}

body.theme-dark.page-interval .interval-manager-add-toggle:hover,
body.theme-dark.page-interval .interval-manager-add-toggle:focus-visible {
  border-color: rgba(125, 211, 252, 0.34);
  background:
    linear-gradient(180deg, rgba(96, 165, 250, 0.18), rgba(30, 41, 59, 0.56)),
    rgba(15, 23, 42, 0.98);
  color: rgba(255, 255, 255, 0.98);
}

body.theme-dark.page-interval .interval-manager-detail-toggle:hover,
body.theme-dark.page-interval .interval-manager-detail-toggle:focus-visible {
  border-color: rgba(96, 165, 250, 0.28);
  background: rgba(30, 41, 59, 0.96);
  color: rgba(255, 255, 255, 0.96);
}

body.theme-dark.page-interval .interval-manager-add-icon {
  background: rgba(96, 165, 250, 0.2);
}

body.theme-dark.page-interval .interval-manager-add-form,
body.theme-dark.page-interval .interval-manager-detail-form {
  background: rgba(2, 6, 23, 0.44);
}

body.theme-dark.page-interval .interval-manager-add-sheet {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.96);
}

body.theme-dark.page-interval .interval-manager-detail-sheet {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(15, 23, 42, 0.96);
}

body.theme-dark.page-interval .interval-manager-detail-item.is-drop-before {
  box-shadow:
    inset 0 4px 0 rgba(125, 211, 252, 0.88),
    0 12px 26px rgba(0, 0, 0, 0.24);
}

body.theme-dark.page-interval .interval-manager-detail-item.is-drop-after {
  box-shadow:
    inset 0 -4px 0 rgba(125, 211, 252, 0.88),
    0 12px 26px rgba(0, 0, 0, 0.24);
}

body.theme-dark.page-interval .interval-manager-detail-handle {
  color: rgba(226, 232, 240, 0.42);
}

body.theme-dark.page-interval .interval-manager-detail-label-input {
  border-color: rgba(148, 163, 184, 0.16);
  background: rgba(30, 41, 59, 0.86);
  color: rgba(255, 255, 255, 0.94);
}

body.theme-dark.page-interval .interval-manager-detail-label-input:focus {
  border-color: rgba(96, 165, 250, 0.34);
  box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.14);
}

body.theme-dark.page-interval .interval-manager-detail-edit-icon {
  color: rgba(191, 219, 254, 0.42);
}

body.theme-dark.page-interval .interval-manager-detail-step {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.88);
  color: rgba(255, 255, 255, 0.92);
}

body.theme-dark.page-interval .interval-manager-detail-step:hover,
body.theme-dark.page-interval .interval-manager-detail-step:focus-visible {
  border-color: rgba(96, 165, 250, 0.34);
  background: rgba(51, 65, 85, 0.96);
}

body.theme-dark.page-interval .interval-manager-detail-copy {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.88);
  color: rgba(226, 232, 240, 0.82);
}

body.theme-dark.page-interval .interval-manager-detail-copy:hover,
body.theme-dark.page-interval .interval-manager-detail-copy:focus-visible {
  border-color: rgba(96, 165, 250, 0.3);
  background: rgba(51, 65, 85, 0.96);
  color: rgba(255, 255, 255, 0.96);
}

body.theme-dark.page-interval .interval-manager-detail-remove {
  border-color: rgba(248, 113, 113, 0.2);
  background: rgba(30, 41, 59, 0.9);
  color: rgba(254, 202, 202, 0.88);
}

body.theme-dark.page-interval .interval-manager-detail-remove:hover,
body.theme-dark.page-interval .interval-manager-detail-remove:focus-visible {
  border-color: rgba(248, 113, 113, 0.32);
  background: rgba(69, 10, 10, 0.54);
  color: rgba(254, 226, 226, 0.98);
}

body.theme-dark.page-interval .interval-manager-detail-add-item {
  border-color: rgba(96, 165, 250, 0.24);
  background: rgba(30, 41, 59, 0.72);
  color: rgba(226, 232, 240, 0.86);
}

body.theme-dark.page-interval .interval-manager-detail-add-item:hover,
body.theme-dark.page-interval .interval-manager-detail-add-item:focus-visible {
  border-color: rgba(125, 211, 252, 0.34);
  background: rgba(51, 65, 85, 0.88);
  color: rgba(255, 255, 255, 0.96);
}

body.theme-dark.page-interval .interval-manager-detail-empty {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.68);
  color: rgba(226, 232, 240, 0.66);
}

body.theme-dark.page-interval .interval-manager-detail-feedback {
  color: rgba(254, 202, 202, 0.96);
}

body.theme-dark.page-interval .interval-manager-add-setting {
  border-color: rgba(148, 163, 184, 0.16);
  background: rgba(30, 41, 59, 0.72);
}

body.theme-dark.page-interval .interval-manager-add-label {
  color: rgba(226, 232, 240, 0.8);
}

body.theme-dark.page-interval .interval-manager-add-value {
  color: #8dc4ff;
}

body.theme-dark.page-interval .interval-manager-add-step {
  border-color: rgba(148, 163, 184, 0.18);
  background: rgba(30, 41, 59, 0.88);
  color: rgba(255, 255, 255, 0.92);
}

body.theme-dark.page-interval .interval-manager-add-step:hover,
body.theme-dark.page-interval .interval-manager-add-step:focus-visible {
  border-color: rgba(96, 165, 250, 0.34);
  background: rgba(51, 65, 85, 0.96);
}

body.page-interval .site-footer {
  margin-top: 0;
  background: rgba(255, 255, 255, 0.64);
  backdrop-filter: blur(10px);
}

body.theme-dark.page-interval .site-footer {
  background: rgba(15, 23, 42, 0.68);
}

.interval-card {
  border-radius: 32px !important;
}

.interval-preset {
  border-radius: 999px !important;
}

.interval-setting {
  border-radius: 24px !important;
}

.interval-step {
  border-radius: 18px !important;
}

.interval-total {
  border-radius: 999px !important;
}

.interval-start-button {
  border-radius: 24px !important;
}

.interval-start-button--compact {
  border-radius: 20px !important;
}

.interval-session-kicker {
  border-radius: 0 !important;
}

.interval-control {
  border-radius: 20px !important;
}

.interval-modal-panel {
  border-radius: 28px !important;
}

.interval-modal-input {
  border-radius: 16px !important;
}


body.page-interval,
body.page-interval *,
body.page-interval *::before,
body.page-interval *::after {
  border-radius: 0 !important;
}

.interval-card[data-mode="session"],
.interval-card[data-mode="session"]::before,
.interval-session,
.interval-session::before,
.interval-session::after,
.interval-session-water {
  border-radius: 36px !important;
}

body.page-interval.interval-immersive .interval-card[data-mode="session"],
body.page-interval.interval-immersive .interval-card[data-mode="session"]::before,
body.page-interval.interval-immersive .interval-session,
body.page-interval.interval-immersive .interval-session::before,
body.page-interval.interval-immersive .interval-session::after,
body.page-interval.interval-immersive .interval-session-water,
body.page-interval.interval-immersive .interval-session-water-fill {
  border-radius: 0 !important;
}

.interval-session-water-fill {
  border-radius: 40px 40px 0 0 !important;
}

.interval-session-water-fill::before {
  border-radius: inherit !important;
}

.interval-card[data-mode="session"] .interval-control {
  border-radius: 0 !important;
}

@media (max-width: 847px) {
  body.page-interval .interval-header-inner {
    padding-inline: 12px;
  }

  .interval-main {
    padding: 0px 12px 20px;
  }

  .interval-hero {
    padding: 6px 0 16px;
  }

  .interval-reference {
    margin-top: 24px;
    padding-bottom: 20px;
  }

  .interval-card,
  .interval-reference-card {
    width: 100%;
    padding: 16px;
  }

  .interval-presets-bar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px;
    margin-top: 16px;
  }

  .interval-presets {
    width: 100%;
    max-width: 100%;
    gap: 8px;
    padding-bottom: 10px;
    scroll-snap-type: x proximity;
  }

  .interval-preset {
    min-width: clamp(88px, calc(58px + 7.5vw), 122px);
    padding-inline: clamp(10px, 2vw, 12px);
    font-size: clamp(0.62rem, 1.8vw, 0.68rem);
    letter-spacing: clamp(0.04em, 0.2vw, 0.12em);
  }

  .interval-preset--manager {
    min-width: clamp(118px, calc(34px + 12vw), 146px);
  }

  .interval-preset--manager-fixed {
    justify-self: end;
  }

  .interval-settings {
    gap: 12px;
    margin-top: 16px;
  }

  .interval-setting {
    grid-template-columns: minmax(0, 1fr) 44px minmax(80px, auto) 44px;
    gap: 6px;
    padding: 12px;
  }

  .interval-setting-label {
    padding-inline-start: 0;
    font-size: clamp(0.82rem, 2.8vw, 0.94rem);
    line-height: 1.15;
    white-space: nowrap;
  }

  .interval-step {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }

  .interval-setting-display {
    min-width: 80px;
  }

  .interval-setting-value {
    font-size: clamp(1.6rem, 7.2vw, 2rem);
    line-height: 0.95;
  }

  .interval-setting-value--rounds {
    font-size: clamp(1.7rem, 7.4vw, 2.1rem);
  }

  .interval-summary {
    display: grid;
    grid-template-columns: minmax(0, max-content) minmax(0, 1fr) auto auto;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
  }

  .interval-sound-control {
    grid-column: 1;
    justify-self: start;
    min-width: 0;
    gap: 12px;
    max-width: clamp(132px, 30vw, 188px);
  }

  .interval-volume-slider {
    flex: 0 0 auto;
    width: clamp(76px, 16vw, 104px);
    max-width: 100%;
  }

  .interval-total {
    grid-column: 4;
    justify-self: end;
    width: fit-content;
    padding: 9px 6px 9px 10px;
  }

  .interval-reset-button {
    grid-column: 3;
    justify-self: end;
    margin-right: -10px;
    min-height: 38px;
  }

  .interval-reset-button {
    width: 48px;
    min-width: 48px;
    padding: 0;
  }

  .interval-reset-button-icon {
    display: inline-block;
  }

  .interval-reset-button-label {
    display: none;
  }

  .interval-start-button {
    margin-top: 16px;
    min-height: 56px;
  }

  .interval-reference-card {
    padding: 18px 16px;
  }

  .interval-reference-title {
    font-size: 1.56rem;
  }

  .interval-reference-description {
    font-size: 0.92rem;
    line-height: 1.6;
  }

  .interval-reference-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 16px;
  }

  .interval-reference-item {
    padding: 16px;
  }

  .interval-card[data-mode="session"] {
    padding: 12px;
    --interval-session-control-height: 44px;
  }

  .interval-session {
    min-height: clamp(480px, calc(100svh - 120px), 640px);
    min-height: clamp(480px, calc(100dvh - 120px), 640px);
    padding: 24px 16px 16px;
  }

  .interval-session-top {
    transform: none;
  }

  .interval-session-kicker {
    font-size: 0.95rem;
    letter-spacing: 0.12em;
  }

  .interval-session-phase {
    margin-bottom: 10px;
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .interval-live-time {
    font-size: clamp(4.6rem, 22vw, 6.6rem);
  }

  .interval-card[data-mode="session"] .interval-session-actions {
    width: 100%;
    gap: 10px;
    padding-top: 12px;
    transform: translateY(0);
  }

  .interval-card[data-mode="session"] .interval-control {
    flex: 1 1 calc(50% - 5px);
    min-width: 0;
    min-height: 44px;
    font-size: 0.8rem;
  }

  .interval-card[data-mode="session"] .interval-sound-control--session {
    width: 100%;
    margin-top: 16px;
    transform: translateY(0);
  }

  .interval-card[data-mode="session"] .interval-sound-control--session .interval-volume-slider {
    flex: 1 1 auto;
    width: auto;
    max-width: 180px;
  }

  .interval-modal {
    padding: 12px;
  }

  .interval-modal-panel {
    width: 100%;
    padding: 16px;
  }

  .interval-modal-panel--manager,
  .interval-modal-panel--manager.is-detailing {
    width: 100%;
  }

  .interval-modal-actions--compact > .interval-control,
  .interval-modal-actions--compact > .interval-start-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 58px;
    min-height: 58px;
  }

  .interval-modal-actions--compact > .interval-start-button {
    margin-top: 0;
  }

  .interval-manager-list {
    max-height: min(48vh, 404px);
  }

  .interval-manager-add-actions {
    grid-template-columns: 1fr;
  }

  .interval-manager-row {
    grid-template-columns: 36px minmax(0, 1fr) auto;
    gap: 10px;
  }

  .interval-manager-handle,
  .interval-manager-edit,
  .interval-manager-delete {
    width: 36px;
    height: 36px;
  }

  .interval-manager-add-form,
  .interval-manager-detail-form {
    inset: 8px;
    padding: 12px;
  }

  .interval-manager-add-sheet,
  .interval-manager-detail-sheet {
    width: 100%;
    max-height: calc(100dvh - 56px);
    padding: 18px 16px;
  }
}

@media (max-width: 420px) {
  .interval-presets-bar {
    gap: 6px;
  }

  .interval-presets {
    gap: 6px;
  }

  .interval-preset {
    min-width: clamp(68px, calc(42px + 7vw), 92px);
    padding-inline: clamp(8px, 1.4vw, 10px);
    font-size: clamp(0.62rem, 1.8vw, 0.68rem);
    letter-spacing: clamp(0.04em, 0.2vw, 0.12em);
  }

  .interval-preset--manager {
    min-width: clamp(88px, calc(52px + 8vw), 112px);
  }
}

@media (max-width: 600px) {
  .interval-preset--manager {
    width: 40px;
    min-width: 40px;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    color: rgba(20, 35, 58, 0.76);
  }

  .interval-preset--manager-fixed {
    min-width: 40px;
  }

  .interval-preset-manager-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .interval-preset-manager-label {
    display: none;
  }

  .interval-preset--manager:hover,
  .interval-preset--manager:focus-visible {
    border-color: transparent;
    background: transparent;
    color: rgba(20, 35, 58, 0.96);
    box-shadow: none;
  }

  body.theme-dark.page-interval .interval-preset--manager {
    border-color: transparent;
    background: transparent;
    color: rgba(226, 232, 240, 0.92);
    box-shadow: none;
  }

  body.theme-dark.page-interval .interval-preset--manager:hover,
  body.theme-dark.page-interval .interval-preset--manager:focus-visible {
    border-color: transparent;
    background: transparent;
    color: rgba(255, 255, 255, 0.98);
    box-shadow: none;
  }
}

@media (max-width: 560px) {
  .interval-modal {
    padding: 8px;
  }

  .interval-modal-panel {
    padding: 12px;
  }

  .interval-manager-add-form,
  .interval-manager-detail-form {
    inset: 4px;
    padding: 6px;
  }

  .interval-manager-add-sheet,
  .interval-manager-detail-sheet {
    padding: 12px 10px;
  }

  .interval-manager-add-setting.interval-manager-detail-item {
    display: grid;
    grid-template-columns: 22px 32px minmax(64px, 78px) 32px minmax(0, 1fr) 34px 34px;
    grid-template-areas:
      "handle label label label label label label"
      "handle minus value plus . copy remove";
    align-items: center;
    column-gap: 6px;
    row-gap: 8px;
    padding: 10px;
  }

  .interval-manager-detail-handle {
    grid-area: handle;
    width: 22px;
    height: auto;
    min-height: 78px;
    align-self: stretch;
  }

  .interval-manager-detail-label-shell {
    grid-area: label;
  }

  .interval-manager-detail-label-input {
    height: 38px;
    padding: 0 34px 0 12px;
  }

  .interval-manager-detail-edit-icon {
    right: 10px;
  }

  .interval-manager-detail-item > [data-detail-action="decrease-item"] {
    grid-area: minus;
  }

  .interval-manager-detail-item > .interval-manager-add-value {
    grid-area: value;
    min-width: 0;
    font-size: 1.12rem;
    justify-self: center;
  }

  .interval-manager-detail-item > [data-detail-action="increase-item"] {
    grid-area: plus;
  }

  .interval-manager-detail-step {
    width: 32px;
    height: 32px;
    border-radius: 14px;
  }

  .interval-manager-detail-copy {
    grid-area: copy;
    margin-left: 0;
  }

  .interval-manager-detail-remove {
    grid-area: remove;
  }

  .interval-manager-detail-copy,
  .interval-manager-detail-remove {
    width: 34px;
    height: 34px;
    border-radius: 14px;
  }
}