:root {
  color-scheme: light;
  --bg: #f3f5f2;
  --surface: #ffffff;
  --surface-soft: #eef2ed;
  --text: #15201b;
  --muted: #607065;
  --border: #d8dfd8;
  --primary: #176b5b;
  --primary-dark: #0f5145;
  --danger: #b42318;
  --shadow: 0 14px 30px rgba(22, 36, 29, 0.12);
  --level-s: #f5d35f;
  --level-a: #f1bfd8;
  --level-b: #bad7f2;
  --level-c: #bde4c7;
  --level-n: #d9dde1;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--bg);
  color: var(--text);
  font-family: "Noto Sans TC", "Inter", Arial, sans-serif;
}

button,
input,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

a {
  color: inherit;
}

.hidden,
[hidden] {
  display: none !important;
}

.app {
  width: min(100%, 760px);
  min-height: 100dvh;
  margin: 0 auto;
  padding: 12px 12px 28px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 44px;
  align-items: center;
  gap: 8px;
  min-height: 60px;
  padding: 6px 0 10px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(10px);
}

.topbar h1 {
  margin: 0;
  text-align: center;
  font-size: 1.08rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.icon-button,
.avatar-button,
.close-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: 0 8px 18px rgba(22, 36, 29, 0.08);
}

.icon-button {
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 0 12px;
}

.icon-button span {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--text);
}

.avatar-button {
  padding: 0;
  overflow: hidden;
}

.google-avatar {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.primary-btn,
.ghost-btn {
  min-height: 44px;
  border-radius: 10px;
  padding: 0 14px;
  font-weight: 800;
}

.primary-btn {
  border: 1px solid var(--primary);
  color: #fff;
  background: var(--primary);
}

.primary-btn:hover {
  background: var(--primary-dark);
}

.ghost-btn {
  border: 1px solid var(--border);
  color: var(--text);
  background: var(--surface);
}

.primary-btn:disabled,
.ghost-btn:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.eyebrow {
  margin: 0;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.muted-text,
.empty-text {
  color: var(--muted);
  font-size: 0.9rem;
}

.dashboard-view,
.life-grid-view {
  display: grid;
  gap: 12px;
}

.unlock-panel,
.activity-panel,
.activity-hero,
.countdown-section,
.grid-section,
.achievement-panel,
.feed-panel,
.admin-panel {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.unlock-panel {
  display: grid;
  gap: 10px;
  padding: 16px;
}

.unlock-panel h2,
.section-head h2,
.activity-hero h2,
.account-identity h3 {
  margin: 0;
}

.unlock-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
}

.unlock-form input,
.profile-form input,
.task-field input,
.task-field textarea,
.admin-task-row input,
.admin-task-row textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  padding: 10px 12px;
}

.form-message {
  min-height: 1.1em;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.form-message.error,
.login-error {
  color: var(--danger);
}

.activity-panel,
.achievement-panel,
.feed-panel {
  padding: 16px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.activity-cards,
.achievement-list,
.activity-feed {
  display: grid;
  gap: 10px;
}

.activity-card,
.achievement-item,
.feed-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-soft);
  padding: 12px;
}

.activity-card h3,
.activity-card p,
.achievement-item h3,
.achievement-item p,
.feed-item p {
  margin: 0;
}

.activity-card {
  display: grid;
  gap: 12px;
}

.activity-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.small-pill,
.progress-pill {
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--text);
  font-weight: 900;
}

.small-pill {
  min-width: 34px;
  min-height: 30px;
  padding: 0 10px;
}

.progress-pill {
  min-width: 104px;
  min-height: 70px;
  padding: 8px 14px;
}

.progress-pill span {
  color: var(--muted);
  font-size: 0.78rem;
}

.activity-hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px;
}

.countdown-section,
.grid-section {
  padding: 14px;
}

.countdown-title,
.countdown-value {
  margin: 0;
}

.countdown-title {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.countdown-value {
  margin-top: 4px;
  font-weight: 900;
}

.level-legend {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  margin-bottom: 10px;
}

.legend-item {
  border-radius: 999px;
  padding: 6px 3px;
  text-align: center;
  font-size: 0.74rem;
  font-weight: 900;
}

.level-S { background: var(--level-s); }
.level-A { background: var(--level-a); }
.level-B { background: var(--level-b); }
.level-C { background: var(--level-c); }
.level-N { background: var(--level-n); }

.task-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 7px;
}

.task-cell {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  border: 1px solid rgba(21, 32, 27, 0.18);
  border-radius: 9px;
  color: #15201b;
  font-size: 0.9rem;
  font-weight: 900;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}

.task-cell:hover,
.task-cell:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(22, 36, 29, 0.14);
}

.task-cell.completed::after {
  content: attr(data-completed-date);
  position: absolute;
  inset: 17%;
  display: grid;
  place-items: center;
  border: 2px solid rgba(180, 35, 24, 0.82);
  border-radius: 999px;
  color: #8a1f17;
  font-size: 0.58rem;
  font-weight: 900;
  transform: rotate(-16deg);
  background: rgba(255, 245, 244, 0.72);
}

.task-cell.locked::before {
  content: "";
  position: absolute;
  right: 7px;
  top: 7px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--primary);
}

.side-drawer,
.task-panel {
  position: fixed;
  top: 0;
  z-index: 20;
  width: min(88vw, 390px);
  height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  overflow: auto;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
  transition: transform 0.22s ease;
}

.left-drawer {
  left: 0;
  transform: translateX(-104%);
}

.right-drawer,
.task-panel {
  right: 0;
  transform: translateX(104%);
}

.side-drawer.open,
.task-panel.open {
  transform: translateX(0);
}

.drawer-header,
.task-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.drawer-header h2,
.task-panel-header h2 {
  margin: 0;
}

.close-button {
  font-size: 1.35rem;
  line-height: 1;
}

.drawer-nav,
.profile-form,
.task-panel-body {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 0 16px 16px;
}

.drawer-nav button,
.drawer-nav a {
  display: flex;
  align-items: center;
  min-height: 48px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-soft);
  color: var(--text);
  padding: 0 12px;
  text-align: left;
  text-decoration: none;
  font-weight: 800;
}

.account-identity {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 16px;
  min-width: 0;
}

.profile-avatar {
  width: 62px;
  height: 62px;
  border: 1px solid var(--border);
  border-radius: 999px;
  object-fit: cover;
  background: var(--surface-soft);
}

.profile-form label,
.task-field,
.admin-task-row label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.task-panel {
  gap: 0;
}

.task-status {
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 0.9rem;
}

.task-field textarea,
.admin-task-row textarea {
  min-height: 96px;
  resize: vertical;
}

.cropper,
.crop-controls {
  display: grid;
  gap: 10px;
}

.crop-frame {
  position: relative;
  width: min(100%, 260px);
  aspect-ratio: 4 / 5;
  margin: 0 auto;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #111;
}

.crop-frame img {
  position: absolute;
  left: 50%;
  top: 50%;
  max-width: none;
  transform-origin: center;
  user-select: none;
  pointer-events: none;
}

.crop-controls label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.completed-photo {
  width: min(100%, 220px);
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.overlay {
  position: fixed;
  inset: 0;
  z-index: 15;
  background: rgba(8, 16, 12, 0.42);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 16px;
  z-index: 30;
  width: min(92vw, 420px);
  transform: translateX(-50%);
  border-radius: 10px;
  background: #13231f;
  color: #fff;
  padding: 12px 14px;
  box-shadow: var(--shadow);
  font-weight: 800;
}

.login-screen {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: min(100%, 320px);
  display: grid;
  justify-items: center;
  gap: 22px;
}

.brand-mark {
  width: 86px;
  height: 86px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.brand-mark svg {
  width: 44px;
  height: 44px;
  stroke: var(--primary);
  stroke-width: 2.4;
  fill: none;
  stroke-linecap: round;
}

.login-card h1 {
  margin: 0;
  font-size: clamp(2.3rem, 13vw, 4.4rem);
  letter-spacing: 0.08em;
}

.google-signin-btn {
  width: min(100%, 260px);
  min-height: 48px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
  font-weight: 900;
  box-shadow: var(--shadow);
}

.google-signin-btn:disabled {
  cursor: wait;
  opacity: 0.65;
}

.login-error {
  min-height: 1.2em;
  margin: 0;
  font-size: 0.86rem;
  text-align: center;
}

.admin-link-btn {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.admin-grid {
  display: grid;
  gap: 12px;
}

.admin-panel {
  display: grid;
  gap: 14px;
  padding: 16px;
}

.n-task-editor,
.admin-task-row {
  display: grid;
  gap: 12px;
}

.admin-task-row {
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-soft);
}

.admin-task-row h3 {
  margin: 0;
}

@media (min-width: 760px) {
  .app {
    padding: 18px;
  }

  .dashboard-view {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .unlock-panel {
    grid-column: 1 / -1;
  }

  .unlock-form {
    grid-template-columns: minmax(0, 1fr) 120px;
  }

  .task-grid {
    gap: 10px;
  }

  .task-cell {
    font-size: 1rem;
  }

  .admin-grid {
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.7fr);
    align-items: start;
  }

  .admin-panel:nth-child(2) {
    grid-row: span 3;
  }
}