:root {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-synthesis: none;
  color: var(--color-text);
  background: var(--color-bg);
  --color-bg: #061c34;
  --color-bg-deep: #031225;
  --color-bg-elevated: #082544;
  --color-surface: #0b2d52;
  --color-surface-soft: #10375f;
  --color-border: rgba(255,255,255,.12);
  --color-border-strong: rgba(51,199,211,.32);
  --color-text: #f8fafc;
  --color-text-muted: #c9d4e3;
  --color-text-soft: #91a8bd;
  --color-primary: #0a8797;
  --color-primary-bright: #33c7d3;
  --color-primary-soft: rgba(39,183,178,.16);
  --color-audio-accent: #f5a623;
  --color-audio-accent-bright: #ffc857;
  --color-success: #43d18c;
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-panel: 0 20px 54px rgba(0,0,0,.36), 0 0 34px rgba(10,135,151,.18);
  --shadow-soft: 0 12px 34px rgba(0,0,0,.24);
  --menu-shadow: 0 16px 34px rgba(0,0,0,.42);
  --focus: #f5a623;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 0, rgba(39,183,178,.2), transparent 36rem),
    linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 100%);
}

a { color: inherit; }

.app-shell {
  width: min(100%, 430px);
  min-height: 100vh;
  margin: 0 auto;
  padding:
    var(--safe-area-top)
    max(18px, var(--safe-area-right))
    calc(40px + var(--safe-area-bottom))
    max(18px, var(--safe-area-left));
  background:
    linear-gradient(180deg, rgba(8,37,68,.96), rgba(6,28,52,.98) 38%, rgba(3,18,37,.98)),
    var(--color-bg);
  box-shadow: 0 0 42px rgba(0,0,0,.34);
}

.topbar {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 28px;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--color-text);
  font-size: 1.12rem;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  box-shadow: 0 0 18px rgba(51,199,211,.28);
}

.account-menu {
  position: relative;
  flex: 0 0 auto;
}

.account-menu-button {
  display: grid;
  place-items: center;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border: 1px solid rgba(51,199,211,.22);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: var(--color-primary-bright);
}

.account-menu-button:hover,
.account-menu-button[aria-expanded="true"] {
  border-color: rgba(51,199,211,.46);
  background: var(--color-primary-soft);
  color: var(--color-text);
}

.account-menu-button svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.account-menu-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 5;
  width: min(184px, calc(100vw - 36px));
  padding: 7px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-bg-elevated);
  box-shadow: var(--menu-shadow);
}

.account-menu-panel[hidden] {
  display: none;
}

.account-menu-username {
  margin: 0;
  padding: 8px 10px 7px;
  color: var(--color-text-muted);
  font-size: .78rem;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-menu-separator {
  display: block;
  height: 1px;
  margin: 4px 3px;
  background: var(--color-border);
}

.account-menu form {
  margin: 0;
}

.account-menu-item {
  width: 100%;
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 750;
}

.account-menu-item:hover,
.account-menu-item:focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-primary-bright);
}

h1 {
  color: var(--color-text);
  font-size: 2.65rem;
  margin: 3px 0 10px;
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  color: var(--color-text);
  font-size: 1.12rem;
  margin-top: 0;
}

.eyebrow {
  font-size: .72rem;
  font-weight: 850;
  letter-spacing: .14em;
  margin-bottom: 8px;
  text-transform: uppercase;
  color: var(--color-primary-bright);
}

.muted { color: var(--color-text-muted); }
.small { font-size: .82rem; }
.center { text-align: center; }

.card {
  padding: 18px;
  margin: 18px 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: rgba(11,45,82,.72);
  box-shadow: var(--shadow-soft);
}

.login-card {
  margin-top: 58px;
  text-align: center;
}

.login-logo {
  display: block;
  width: 74px;
  height: 74px;
  margin: 0 auto 14px;
  border-radius: 18px;
  box-shadow: 0 0 28px rgba(51,199,211,.32);
}

.stack {
  display: grid;
  gap: 16px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--color-text-muted);
  font-weight: 700;
  font-size: .9rem;
  text-align: left;
}

input, select, button, .button {
  font: inherit;
}

input, select {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: var(--radius-sm);
  background: rgba(3,18,37,.55);
  color: var(--color-text);
}

input:focus-visible,
select:focus-visible,
button:focus-visible,
.button:focus-visible,
.account-menu-button:focus-visible,
.account-menu-item:focus-visible,
.chapter-seek:focus-visible,
.speed-option:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

button, .button {
  min-height: 46px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  cursor: pointer;
  background: rgba(255,255,255,.06);
  color: var(--color-text);
}

button.primary, .button.primary {
  border-color: rgba(51,199,211,.46);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-bright));
  color: #ffffff;
  font-weight: 850;
  box-shadow: 0 12px 28px rgba(10,135,151,.34);
}

button:disabled {
  opacity: .45;
  cursor: not-allowed;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.secondary {
  color: var(--color-primary-bright);
  background: rgba(255,255,255,.06);
}

.danger {
  border-color: rgba(239,68,68,.4);
  background: rgba(239,68,68,.16);
  color: #fecaca;
}

.subtle-danger {
  width: 100%;
  min-height: 40px;
  margin-top: 10px;
}

.compact-action {
  min-height: 40px;
  padding: 8px 13px;
}

.flash {
  padding: 12px 14px;
  margin-bottom: 18px;
  border: 1px solid rgba(245,166,35,.22);
  border-radius: var(--radius-sm);
  background: rgba(245,166,35,.12);
  color: var(--color-text);
}

.section-heading-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
}

.section-heading-row h1 {
  margin-top: 0;
}

.section-heading-row p {
  margin-top: 0;
}

.plan-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.plan-card {
  display: grid;
  gap: 12px;
  margin: 0;
}

.plan-card-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
}

.plan-card h2,
.plan-card p {
  margin: 0;
}

.plan-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px;
}

.plan-actions form,
.plan-card form {
  margin: 0;
}

.plan-actions .button,
.plan-actions button {
  width: 100%;
}

.plan-actions .button:only-child {
  grid-column: 1 / -1;
}

.day-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.day-heading .small {
  margin: 0;
  color: var(--color-text-soft);
  font-weight: 800;
  letter-spacing: .09em;
}

.day-header-container {
  container-type: inline-size;
}

.day-toolbar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  margin: 8px 0 14px;
}

.badge {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  min-height: 24px;
  padding: 4px 8px;
  border: 1px solid rgba(51,199,211,.24);
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-bright);
  font-size: .68rem;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: .08em;
}

.complete {
  border-color: rgba(67,209,140,.24);
  background: rgba(67,209,140,.16);
  color: #bdf7d7;
}

.day-chev,
.day-title-button,
.day-menu-toggle {
  display: inline-grid;
  place-items: center;
  min-width: 34px;
  min-height: 34px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  text-decoration: none;
}

.day-chev {
  color: var(--color-primary-bright);
  font-size: 1.85rem;
  font-weight: 650;
  line-height: 1;
}

.day-chev.is-disabled {
  color: rgba(201,212,227,.28);
}

.day-title-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-width: 0;
  padding: 0 6px;
  color: var(--color-text);
  font-size: 1.75rem;
  font-size: clamp(1.65rem, 9cqi, 2.25rem);
  font-weight: 850;
  line-height: 1.05;
  white-space: nowrap;
}

.day-title-spinner {
  width: .62em;
  height: .62em;
  border-width: 2px;
}

.day-toolbar.is-busy .day-chev,
.day-toolbar.is-busy .day-title-button,
.day-toolbar.is-busy .day-menu-toggle,
.day-toolbar.is-busy .day-menu-item:not(.is-disabled) {
  opacity: .62;
  pointer-events: none;
}

.day-toolbar [aria-disabled="true"] {
  cursor: wait;
}

.complete-toggle-form {
  justify-self: end;
  margin: 0;
}

.complete-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 138px;
  min-height: 36px;
  padding: 0 10px;
  border: 1px solid rgba(51,199,211,.46);
  border-radius: 999px;
  background: rgba(3,18,37,.42);
  color: var(--color-primary-bright);
  font-size: .78rem;
  font-weight: 850;
  line-height: 1;
  white-space: nowrap;
}

.completion-icon,
.completion-spinner {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.completion-icon {
  display: inline-grid;
  place-items: center;
}

.complete-toggle svg,
.completion-icon svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.complete-toggle-label {
  min-width: 82px;
  text-align: left;
}

.complete-toggle.is-complete {
  border-color: rgba(51,199,211,.74);
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-bright));
  color: #04182e;
  box-shadow: 0 8px 20px rgba(10,135,151,.22);
}

.complete-toggle.is-saving {
  cursor: wait;
}

.complete-toggle.is-saving:disabled {
  opacity: .84;
}

.complete-toggle.is-complete .completion-spinner {
  border-color: rgba(4,24,46,.28);
  border-top-color: #04182e;
}

.completion-error {
  min-height: 1rem;
  margin: 5px 0 0;
  color: #fecaca;
  font-size: .76rem;
  font-weight: 750;
  text-align: center;
}

.completion-error[hidden] {
  display: none;
}

.busy-spinner {
  display: inline-block;
  border: 2px solid rgba(51,199,211,.24);
  border-top-color: var(--color-primary-bright);
  border-radius: 999px;
  animation: busy-spin .75s linear infinite;
}

.busy-spinner[hidden] {
  display: none;
}

@keyframes busy-spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  .busy-spinner {
    animation: none;
    border-style: dotted;
  }
}

.day-menu-wrap {
  position: relative;
  justify-self: end;
}

.day-menu-wrap summary {
  list-style: none;
}

.day-menu-wrap summary::-webkit-details-marker {
  display: none;
}

.day-menu-toggle {
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1.35rem;
}

.day-menu {
  position: absolute;
  right: 0;
  z-index: 3;
  width: 190px;
  margin-top: 6px;
  padding: 6px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #082544;
  box-shadow: var(--menu-shadow);
}

.day-toolbar.is-stacked {
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  row-gap: 6px;
}

.day-toolbar.is-stacked .day-chev-prev {
  grid-column: 1;
  grid-row: 1;
}

.day-toolbar.is-stacked .day-title-button {
  grid-column: 2;
  grid-row: 1;
  justify-self: center;
}

.day-toolbar.is-stacked .day-chev-next {
  grid-column: 3;
  grid-row: 1;
}

.day-toolbar.is-stacked .day-menu-wrap {
  grid-column: 4;
  grid-row: 1;
}

.day-toolbar.is-stacked .day-menu-wrap .day-menu-toggle {
  background: #082544;
}

.day-toolbar.is-stacked .complete-toggle-form {
  grid-column: 1 / -1;
  grid-row: 2;
  justify-self: center;
}

.day-toolbar.is-stacked .complete-toggle {
  min-height: 38px;
}

@container (max-width: 22rem) {
  .day-toolbar {
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    row-gap: 6px;
  }

  .day-chev-prev {
    grid-column: 1;
    grid-row: 1;
  }

  .day-title-button {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
  }

  .day-chev-next {
    grid-column: 3;
    grid-row: 1;
  }

  .day-menu-wrap {
    grid-column: 4;
    grid-row: 1;
  }

  .day-menu-wrap .day-menu-toggle {
    background: #082544;
  }

  .complete-toggle-form {
    grid-column: 1 / -1;
    grid-row: 2;
    justify-self: center;
  }

  .complete-toggle {
    min-height: 38px;
  }
}

.day-menu-item {
  width: 100%;
  min-height: 38px;
  display: flex;
  align-items: center;
  padding: 8px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  text-decoration: none;
  font-size: .9rem;
  font-weight: 750;
}

.day-menu-item.is-disabled {
  color: var(--color-text-soft);
  cursor: default;
  opacity: .55;
}

.day-menu-item:not(.is-disabled):hover,
.day-menu-item:not(.is-disabled):focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-primary-bright);
}

.day-menu-separator {
  display: block;
  height: 1px;
  margin: 5px 4px;
  background: var(--color-border);
}

.jump-dialog {
  width: min(calc(100vw - 36px), 360px);
  padding: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: #082544;
  color: var(--color-text);
  box-shadow: var(--shadow-panel);
}

.jump-dialog::backdrop {
  background: rgba(2,13,29,.68);
}

.jump-dialog-form {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.jump-dialog h2 {
  margin: 0;
}

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

.inline {
  display: flex;
  gap: 8px;
}

.inline input { flex: 1; }
.inline button { width: 74px; }

.future-feature {
  margin-top: 34px;
  text-align: center;
}

.future-feature button {
  width: 100%;
}

.future-feature p {
  margin-top: 9px;
  font-size: .8rem;
  color: var(--color-text-soft);
}

.audio-panel {
  margin-top: 22px;
  padding: 16px 16px calc(16px + var(--safe-area-bottom));
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 50% 0, rgba(51,199,211,.13), transparent 15rem),
    linear-gradient(180deg, rgba(11,45,82,.94), rgba(6,28,52,.98));
  box-shadow: var(--shadow-panel);
}

.day-audio {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.player-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 12px;
  min-height: 32px;
  margin-bottom: 8px;
}

.player-status {
  min-height: 28px;
  margin: 0;
  color: var(--color-text);
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-time-row {
  display: flex;
  justify-content: space-between;
  margin: 8px 0 2px;
  font-size: .82rem;
  color: var(--color-text-soft);
  font-variant-numeric: tabular-nums;
}

.seek-slider {
  width: 100%;
  min-height: 38px;
  padding: 0;
  accent-color: var(--color-audio-accent);
  cursor: pointer;
}

.seek-slider::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
}

.seek-slider::-webkit-slider-thumb {
  width: 19px;
  height: 19px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--color-audio-accent);
  box-shadow: 0 0 0 5px rgba(245,166,35,.14);
}

.seek-slider::-moz-range-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,.18);
}

.seek-slider::-moz-range-thumb {
  width: 19px;
  height: 19px;
  border: 0;
  border-radius: 50%;
  background: var(--color-audio-accent);
  box-shadow: 0 0 0 5px rgba(245,166,35,.14);
}

.player-controls {
  display: grid;
  grid-template-columns: repeat(3, 58px);
  gap: 22px;
  align-items: center;
  justify-items: center;
  justify-content: center;
  margin-top: 11px;
}

.transport-button {
  display: grid;
  place-items: center;
  min-width: 0;
  min-height: 46px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--color-primary-bright);
  font-size: 1rem;
  font-weight: 850;
  line-height: 1;
}

.transport-button svg {
  width: 27px;
  height: 27px;
  display: block;
  fill: currentColor;
  stroke: currentColor;
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.transport-button svg[hidden] {
  display: none;
}

.transport-button path {
  vector-effect: non-scaling-stroke;
}

.transport-button text {
  fill: currentColor;
  stroke: none;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
  font-weight: 850;
}

.transport-button[data-rewind] svg,
.transport-button[data-forward] svg {
  width: 33px;
  height: 33px;
  fill: none;
}

.transport-button[data-rewind] text,
.transport-button[data-forward] text {
  fill: currentColor;
}

.play-toggle {
  width: 58px;
  height: 58px;
  min-width: 58px;
  min-height: 58px;
  background: linear-gradient(135deg, var(--color-audio-accent-bright), var(--color-audio-accent));
  color: #061c34;
  box-shadow: 0 0 0 6px rgba(245,166,35,.12), 0 10px 24px rgba(245,166,35,.28);
}

.play-toggle svg {
  width: 31px;
  height: 31px;
  stroke: none;
}

.speed-menu-wrap {
  position: relative;
}

.speed-toggle {
  min-height: 32px;
  min-width: 54px;
  padding: 4px 10px;
  border: 1px solid rgba(51,199,211,.26);
  border-radius: 999px;
  background: rgba(3,18,37,.38);
  color: var(--color-primary-bright);
  font-size: .82rem;
  font-weight: 850;
}

.speed-toggle:hover,
.speed-toggle[aria-expanded="true"] {
  border-color: rgba(51,199,211,.52);
  background: var(--color-primary-soft);
  color: var(--color-text);
}

.speed-menu {
  position: absolute;
  right: 0;
  z-index: 2;
  width: 116px;
  margin-top: 6px;
  padding: 5px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #082544;
  box-shadow: var(--menu-shadow);
}

.speed-option {
  width: 100%;
  min-height: 38px;
  padding: 7px 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  font-size: .9rem;
  font-weight: 800;
}

.speed-option[aria-pressed="true"] {
  background: var(--color-primary-soft);
  color: var(--color-primary-bright);
}

.player-chapters {
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  border-top: 1px solid var(--color-border);
}

.player-chapters li {
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.chapter-seek {
  width: 100%;
  min-height: 42px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 8px 9px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  text-align: left;
  font-size: .93rem;
}

.chapter-seek[aria-current="true"] {
  background: var(--color-primary-soft);
  color: var(--color-text);
  font-weight: 850;
}

.chapter-time {
  flex: 0 0 auto;
  color: var(--color-text-soft);
  font-size: .74rem;
  font-variant-numeric: tabular-nums;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 9px;
}

.checkbox-row input {
  width: auto;
  min-height: auto;
}

.plain-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.plain-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}

.plain-list li:last-child { border-bottom: 0; }

@media (max-width: 370px) {
  .topbar {
    align-items: center;
    flex-direction: row;
    padding: 14px 0;
  }
}

@media (min-width: 700px) {
  body { padding: 20px 0; }
  .app-shell {
    min-height: calc(100vh - 40px);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: 20px;
  }
}