:root {
  --ink: #12231c;
  --ink-soft: #2a4237;
  --paper: #eef4ef;
  --panel: #f7fbf8;
  --line: rgba(18, 35, 28, 0.12);
  --accent: #0f7a55;
  --accent-deep: #0a5a3e;
  --warn: #c45c14;
  --warn-glow: rgba(196, 92, 20, 0.45);
  --done: #b42318;
  --done-glow: rgba(180, 35, 24, 0.5);
  --shadow: 0 18px 40px rgba(18, 35, 28, 0.12);
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "IBM Plex Sans", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 10% -10%, #c8e6d4 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #d9ebe1 0%, transparent 50%),
    linear-gradient(160deg, #e7f1ea 0%, #f4f8f5 45%, #e9f0eb 100%);
}

.page {
  width: min(1100px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 1rem 0 1.5rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.85rem 1.5rem;
  margin-bottom: 1rem;
}

.eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

.brand {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 5.5vw, 3.4rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
}

.lede {
  margin: 0.45rem 0 0;
  max-width: 34rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.4;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
  margin-left: auto;
  max-width: 100%;
}

.header-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.5rem;
  margin-left: auto;
  max-width: 100%;
}

.switch-class-row {
  display: flex;
  justify-content: flex-end;
  width: 100%;
}

.header-actions .controls {
  margin-left: 0;
}

.btn {
  appearance: none;
  border: 0;
  border-radius: 999px;
  padding: 0.95rem 1.7rem;
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.btn-start {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 24px rgba(15, 122, 85, 0.28);
}

.btn-start:hover:not(:disabled) {
  background: var(--accent-deep);
}

.btn-reset {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--line);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-reset:hover:not(:disabled) {
  border-color: rgba(18, 35, 28, 0.35);
  background: rgba(255, 255, 255, 0.55);
}


.btn.btn-switch-class {
  background: #f4eee3;
  color: #725f45;
  border: 1px solid #cbbca5;
  box-shadow: none;
  font-weight: 600;
  font-size: 0.82rem;
  line-height: 1.1;
  padding: 0.45rem 0.8rem;
}

.btn.btn-switch-class:hover:not(:disabled) {
  background: #eadfce;
  color: #594832;
  border-color: #aa9678;
}

.btn-danger {
  background: var(--done);
  color: #fff;
  border: 2px solid transparent;
  box-shadow: 0 10px 24px rgba(180, 35, 24, 0.28);
}

.btn-danger[hidden] {
  display: none;
}

.btn-danger:hover:not(:disabled) {
  background: #931c13;
}

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

.brand-settings {
  font-size: clamp(2rem, 5vw, 3rem);
}

.settings-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0 0 1rem;
  padding: 0.35rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: rgba(255, 255, 255, 0.46);
}

.settings-tab {
  flex: 1 1 10rem;
  border: 1px solid transparent;
  border-radius: 0.75rem;
  background: transparent;
  color: var(--ink-soft);
  padding: 0.72rem 0.9rem;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: background 150ms ease, color 150ms ease, border-color 150ms ease, box-shadow 150ms ease;
}

.settings-tab:hover {
  background: rgba(255, 255, 255, 0.72);
  color: var(--ink);
}

.settings-tab.is-active {
  background: var(--panel);
  color: var(--accent-deep);
  border-color: var(--line);
  box-shadow: 0 4px 14px rgba(18, 35, 28, 0.08);
}

.settings-tab:focus-visible {
  outline: 3px solid rgba(15, 122, 85, 0.22);
  outline-offset: 2px;
}

.settings-tab-panel[hidden] {
  display: none;
}

.settings-tab-panel {
  min-height: 12rem;
}

.settings-toolbar-single {
  grid-template-columns: 1fr;
}

.verification-code-form {
  margin-top: 0.8rem;
}

.verification-code-input {
  max-width: 11rem;
  text-align: center;
  letter-spacing: 0.28em;
  font-size: 1.1rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.settings-toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 0 0 0.85rem;
  align-items: stretch;
}

.sound-bar {
  margin: 0 0 0.85rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.55);
}

.settings-panel {
  margin: 0;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.settings-panel .sound-bar-main,
.settings-panel .sound-bar-field {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.settings-panel .sound-controls {
  margin-top: 0.15rem;
}

.settings-panel .settings-note,
.settings-panel .saved-notice {
  margin-top: auto;
  padding-top: 0.65rem;
}

.sound-bar-main {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 0.75rem 1rem;
}

.sound-label {
  display: block;
  margin: 0 0 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.sound-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
}

.sound-select {
  flex: 1 1 12rem;
  min-width: 0;
  appearance: none;
  border: 1.5px solid var(--line);
  border-radius: 0.75rem;
  background-color: #fff;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%232a4237' d='M1.2 1.2 6 6l4.8-4.8'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.85rem center;
  background-size: 12px 8px;
  padding: 0.7rem 2.2rem 0.7rem 0.85rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
}

.sound-select:focus {
  outline: 2px solid rgba(15, 122, 85, 0.35);
  outline-offset: 2px;
}

.btn-sound {
  border-radius: 0.75rem;
  padding: 0.7rem 1rem;
  font-size: 0.95rem;
  background: var(--accent);
  color: #fff;
}

.btn-sound:hover:not(:disabled) {
  background: var(--accent-deep);
}

.btn-sound-secondary {
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}

.btn-sound-secondary:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.7);
  border-color: rgba(18, 35, 28, 0.35);
}

.sound-bar-field {
  flex: 1 1 100%;
}

.saved-notice {
  margin: 0.65rem 0 0;
  color: var(--accent-deep);
  font-size: 0.9rem;
  font-weight: 600;
}

.saved-notice[hidden] {
  display: none;
}

.clubs-visibility-panel {
  margin-bottom: 0.85rem;
}


.timer-config-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  align-items: stretch;
  margin-bottom: 18px;
}

.timer-config-grid > .sound-bar {
  margin: 0;
  height: 100%;
}

.sync-mode-panel {
  margin-bottom: 0.85rem;
}

.sync-mode-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
  margin-top: 0.75rem;
}

.sync-mode-option {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  margin: 0;
  padding: 0.75rem 0.85rem;
  border: 1.5px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
}

.sync-mode-option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(15, 122, 85, 0.08);
}

.sync-mode-option input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.sync-mode-option-copy {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}

.sync-mode-option-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.sync-mode-option-meta {
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.35;
}

.clubs-visibility-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.85rem;
}

.clubs-visibility-header .settings-note {
  margin-top: 0.35rem;
  max-width: 36rem;
}

.clubs-visibility-actions {
  width: auto;
  flex: 0 0 auto;
}

.clubs-visibility-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.55rem;
}

.club-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin: 0;
  padding: 0.65rem 0.75rem;
  border: 1.5px solid var(--line);
  border-radius: 0.85rem;
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
}

.club-toggle-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.club-toggle-title {
  font-family: var(--font-display);
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.club-toggle-state {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-deep);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.club-toggle.is-off {
  opacity: 0.72;
  background: rgba(255, 255, 255, 0.4);
}

.club-toggle.is-off .club-toggle-state {
  color: var(--ink-soft);
}

.club-toggle-switch {
  position: relative;
  flex: 0 0 auto;
  width: 2.55rem;
  height: 1.45rem;
}

.club-toggle-switch input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
  z-index: 1;
}

.club-toggle-track {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 999px;
  background: rgba(18, 35, 28, 0.18);
  border: 1.5px solid rgba(18, 35, 28, 0.18);
  transition: background 160ms ease, border-color 160ms ease;
}

.club-toggle-track::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0.18rem;
  width: 0.95rem;
  height: 0.95rem;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 2px rgba(18, 35, 28, 0.22);
  transform: translateY(-50%);
  transition: transform 160ms ease;
}

.club-toggle-switch input:checked + .club-toggle-track {
  background: var(--accent);
  border-color: var(--accent);
}

.club-toggle-switch input:checked + .club-toggle-track::after {
  transform: translate(1.1rem, -50%);
}

.club-toggle-switch input:focus-visible + .club-toggle-track {
  outline: 2px solid rgba(15, 122, 85, 0.35);
  outline-offset: 2px;
}

.settings-groups {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.settings-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
}

.settings-card-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.settings-card-meta {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.settings-note {
  margin: 0.55rem 0 0;
  color: var(--ink-soft);
  font-size: 0.85rem;
  line-height: 1.4;
}

.timer-duration-fields {
  width: 100%;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
}

.duration-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.duration-field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  flex: 1 1 6rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.duration-input {
  width: 100%;
  border: 1.5px solid var(--line);
  border-radius: 0.75rem;
  background: #fff;
  padding: 0.65rem 0.75rem;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
}

.duration-input:focus {
  outline: 2px solid rgba(15, 122, 85, 0.35);
  outline-offset: 2px;
}

.timers {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.timers-empty-notice {
  margin: 0 0 0.85rem;
  padding: 0.85rem 1rem;
  border: 1.5px dashed var(--line);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.55);
}

.timers-empty-notice[hidden],
.timers[hidden],
.timer-card[hidden] {
  display: none;
}

.timer-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 1.2rem;
  padding: 1.15rem 1.2rem 1.05rem;
  box-shadow: var(--shadow);
  min-height: 0;
  transition:
    background 0.25s ease,
    border-color 0.25s ease,
    box-shadow 0.25s ease;
}

.timer-card::before,
.timer-card::after {
  content: "";
  position: absolute;
  background: var(--accent);
}

.timer-card::before {
  inset: 0 auto 0 0;
  width: 0.9rem;
}

.timer-card::after {
  inset: auto 0 0 0;
  height: 0.9rem;
}

.timer-clubs {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.8vw, 1.7rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.timer-duration {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
}

.timer-display {
  margin: 0.75rem 0 0.3rem;
  width: 100%;
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 7.5rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.timer-status {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.timer-sound {
  width: 100%;
  margin-top: 0.85rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  text-align: left;
}

.timer-sound .sound-label {
  text-align: left;
}

.timer-sound .btn-sound {
  flex: 0 0 auto;
}

.timer-card.is-running {
  background: #eef8f3;
  border-color: rgba(15, 122, 85, 0.45);
  box-shadow: 0 0 0 3px rgba(15, 122, 85, 0.16), var(--shadow);
}

.timer-card.is-running::before,
.timer-card.is-running::after {
  background: var(--accent);
}

.timer-card.is-running .timer-display,
.timer-card.is-running .timer-status {
  color: var(--accent-deep);
}

.timer-card.is-waiting {
  background: #fff7ef;
  border-color: rgba(196, 92, 20, 0.4);
  border-style: solid;
  box-shadow: 0 0 0 3px var(--warn-glow), var(--shadow);
}

.timer-card.is-waiting::before,
.timer-card.is-waiting::after {
  background: var(--warn);
}

.timer-card.is-waiting .timer-status,
.timer-card.is-waiting .timer-display {
  color: var(--warn);
  opacity: 1;
}

.timer-card.is-warning {
  background: #fff7ef;
  border-color: rgba(196, 92, 20, 0.35);
  box-shadow: 0 0 0 3px var(--warn-glow), var(--shadow);
}

.timer-card.is-warning::before,
.timer-card.is-warning::after {
  background: var(--warn);
}

.timer-card.is-warning .timer-display,
.timer-card.is-warning .timer-status {
  color: var(--warn);
}

.timer-card.is-finished {
  background: #fff1f0;
  border-color: rgba(180, 35, 24, 0.4);
  animation: finish-pulse 0.85s ease-in-out 4;
}

.timer-card.is-finished::before,
.timer-card.is-finished::after {
  background: var(--done);
}

.timer-card.is-finished .timer-display,
.timer-card.is-finished .timer-status {
  color: var(--done);
}

.timer-card.is-finished .timer-display {
  margin-top: 0.45rem;
  margin-bottom: 0.15rem;
  font-size: clamp(2rem, 5vw, 2.75rem);
  letter-spacing: -0.03em;
}

.timer-card.is-finished .timer-status {
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-transform: uppercase;
}

.credit {
  margin: 1.1rem 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.4;
  text-align: center;
}

.credit cite {
  font-style: italic;
}

.credit a {
  color: var(--accent-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 0.14em;
}

.credit a:hover {
  color: var(--accent);
}

.finish-banner {
  position: fixed;
  left: 50%;
  bottom: 1.25rem;
  transform: translateX(-50%);
  z-index: 20;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  background: var(--done);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  box-shadow: 0 12px 30px rgba(180, 35, 24, 0.35);
  animation: banner-in 0.25s ease;
}

.finish-banner[hidden] {
  display: none;
}

@keyframes finish-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 0 transparent, var(--shadow);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 0 10px var(--done-glow), var(--shadow);
    transform: scale(1.015);
  }
}

@keyframes banner-in {
  from {
    opacity: 0;
    transform: translate(-50%, 12px);
  }
  to {
    opacity: 1;
    transform: translate(-50%, 0);
  }
}

@media (max-width: 760px) {
  .timers,
  .settings-groups,
  .settings-toolbar,
  .timer-config-grid,
  .sync-mode-options {
    grid-template-columns: 1fr;
  }

  .settings-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .settings-tab {
    min-width: 0;
    padding: 0.65rem 0.55rem;
    font-size: 0.9rem;
  }

  .clubs-visibility-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .top {
    align-items: stretch;
  }

  .header-actions {
    width: 100%;
    margin-left: 0;
    align-items: stretch;
  }

  .switch-class-row {
    justify-content: flex-end;
  }

  .switch-class-row .btn {
    flex: 0 0 auto;
  }

  .controls {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
  }

  .btn {
    flex: 1;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .timer-card.is-finished,
  .finish-banner,
  .btn {
    animation: none;
    transition: none;
  }
}


.companion-version { margin: .35rem 0 0; text-align: center; font-size: .72rem; letter-spacing: .04em; color: #6b7280; opacity: .78; }


/* Student timer sharing */
.student-timer-access-panel {
  margin: 1rem 0;
}

.student-timer-access-copy {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.student-access-state {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.student-access-state.is-off {
  background: rgba(107, 114, 128, 0.12);
  color: #5e6672;
}

.student-access-state.is-on {
  background: rgba(15, 122, 85, 0.13);
  color: var(--accent-deep);
}

.student-access-actions {
  margin-top: 0.85rem;
}

.student-share-tools {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.student-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 0.6rem;
  align-items: center;
  margin-top: 0.45rem;
}

.student-link-input {
  width: 100%;
  min-width: 0;
  min-height: 2.75rem;
  padding: 0.65rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: rgba(255,255,255,0.75);
  color: var(--ink);
  font: inherit;
}

.btn.is-disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  pointer-events: none;
}

.student-timer-page .page {
  width: min(1200px, calc(100% - 1.5rem));
}

.student-timer-page .student-timer-top {
  align-items: flex-end;
}

.student-timer-page .student-link-status {
  margin: 0 0 0.85rem;
  padding: 0.75rem 0.9rem;
  border: 1px solid rgba(15, 122, 85, 0.22);
  border-radius: 0.8rem;
  background: rgba(255,255,255,0.62);
  color: var(--accent-deep);
  font-weight: 600;
}

.student-timer-page .student-link-status.is-error {
  border-color: rgba(180,35,24,0.25);
  color: var(--done);
  background: rgba(255,241,240,0.78);
}

.student-timers-grid.student-count-1 {
  grid-template-columns: minmax(0, 1fr);
  max-width: 720px;
  margin-inline: auto;
}

@media (min-width: 900px) {
  .student-timers-grid.student-count-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.student-privacy-note {
  margin: 1rem auto 0;
  max-width: 760px;
  text-align: center;
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.45;
}

@media (max-width: 760px) {
  .student-link-row {
    grid-template-columns: 1fr;
  }
  .student-link-row .btn {
    width: 100%;
  }
  .student-timer-access-copy {
    align-items: flex-start;
  }
}


.open-timer-setup-toggle-row {
  display: flex;
  justify-content: flex-end;
  margin: 0 0 0.75rem;
}

.open-timer-setup-toggle-row[hidden] {
  display: none;
}

.open-timer-setup-open {
  min-height: 2.35rem;
  padding: 0.45rem 0.8rem;
  font-size: 0.86rem;
}

.open-timer-setup {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.35fr) minmax(0, 1.35fr);
  gap: 1rem;
  margin: 0 0 1rem;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  background: rgba(255, 255, 255, 0.68);
  box-shadow: var(--shadow);
}

.open-timer-setup-close {
  position: absolute;
  top: 0.6rem;
  right: 0.65rem;
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: 1px solid rgba(107, 114, 128, 0.28);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink-soft);
  font: inherit;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.open-timer-setup-close:hover,
.open-timer-setup-close:focus-visible {
  background: #fff;
  color: var(--ink);
  border-color: rgba(15, 122, 85, 0.4);
  transform: translateY(-1px);
}

.open-timer-setup[hidden] {
  display: none;
}

.open-timer-setup-intro {
  padding-right: 2.2rem;
}

.open-timer-setup-intro h2 {
  margin: 0.1rem 0 0.35rem;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
}

.open-timer-setup-intro p:last-child {
  margin: 0;
  color: var(--ink-soft);
  line-height: 1.45;
}

.open-timer-fieldset {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.open-timer-fieldset legend {
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.open-timer-options,
.open-sync-options {
  display: grid;
  gap: 0.45rem;
}

.open-timer-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.open-timer-option,
.open-sync-option {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.65rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
}

.open-timer-option:has(input:checked),
.open-sync-option:has(input:checked) {
  border-color: rgba(15, 122, 85, 0.55);
  background: rgba(15, 122, 85, 0.08);
}

.open-timer-option input,
.open-sync-option input {
  margin-top: 0.2rem;
  accent-color: var(--accent);
}

.open-timer-option span,
.open-sync-option span {
  display: grid;
  gap: 0.1rem;
}

.open-timer-option strong,
.open-sync-option strong {
  color: var(--ink);
}

.open-timer-option small,
.open-sync-option small {
  color: var(--ink-soft);
  line-height: 1.3;
}

.open-timer-setup > .settings-note {
  grid-column: 1 / -1;
  margin: -0.25rem 0 0;
}


.start-countdown-option {
  margin-top: 0.7rem;
}

.start-countdown {
  position: fixed;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  z-index: 40;
  display: grid;
  justify-items: center;
  min-width: 10rem;
  padding: 1rem 1.5rem 1.1rem;
  border: 1px solid rgba(15, 122, 85, 0.24);
  border-radius: 1.25rem;
  background: rgba(255, 255, 255, 0.96);
  color: var(--accent-deep);
  box-shadow: 0 18px 55px rgba(18, 35, 28, 0.2);
  pointer-events: none;
}

.start-countdown[hidden] {
  display: none;
}

.start-countdown-label {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.start-countdown strong {
  margin-top: 0.1rem;
  font-family: var(--font-display);
  font-size: clamp(4.5rem, 12vw, 7rem);
  line-height: 0.95;
  font-variant-numeric: tabular-nums;
}

.open-countdown-option {
  margin-top: 0.55rem;
}

@media (max-width: 980px) {
  .open-timer-setup {
    grid-template-columns: 1fr 1fr;
  }
  .open-timer-setup-intro {
    grid-column: 1 / -1;
  }
}

@media (max-width: 680px) {
  .open-timer-setup {
    grid-template-columns: 1fr;
  }
  .open-timer-setup-intro {
    grid-column: auto;
  }
  .open-timer-options {
    grid-template-columns: 1fr;
  }
}


/* Product feedback link */
.feedback-prompt {
  display: flex;
  justify-content: center;
  align-items: baseline;
  gap: .45rem;
  flex-wrap: wrap;
  margin: .4rem 0 0;
  text-align: center;
  color: #6b7280;
  font-size: .78rem;
}

.feedback-prompt a {
  color: var(--accent-deep);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: .14em;
}

.feedback-prompt a:hover,
.feedback-prompt a:focus-visible {
  color: var(--accent);
}

.companion-version a { color: inherit; text-decoration: underline; text-underline-offset: 2px; }
.companion-version a:hover, .companion-version a:focus-visible { opacity: 1; }