:root {
  --bg: #0A0A0A;
  --bg-elevated: #141418;
  --bg-card: #18181C;
  --bg-card-hover: #1D1D22;
  --border: #2A2A30;
  --border-strong: #3A3A42;
  --text: #ECECEE;
  --text-muted: #A8A8B4;
  --text-dim: #7A7A88;
  --teal: #2DD4BF;
  --teal-soft: rgba(45, 212, 191, 0.12);
  --teal-strong: rgba(45, 212, 191, 0.85);
  --amber: #F59E0B;
  --amber-soft: rgba(245, 158, 11, 0.12);
  --rose: #F43F5E;
  --violet: #A78BFA;
  --blue: #60A5FA;
  --green: #34D399;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

.bg-glow {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 500px at 15% -5%, rgba(45, 212, 191, 0.07), transparent 60%),
    radial-gradient(ellipse 700px 500px at 85% 100%, rgba(167, 139, 250, 0.05), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(16px) saturate(140%);
  -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.topbar-inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.brand-dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 14px var(--teal-strong);
}
.brand-sub {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 13px;
  margin-left: 6px;
  font-variant-numeric: tabular-nums;
}
.tabs { display: flex; gap: 4px; }
.tab {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 7px 12px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.tab:hover { color: var(--text); background: var(--bg-elevated); }
.tab.active {
  color: var(--text);
  background: var(--teal-soft);
  border-color: rgba(45, 212, 191, 0.25);
}

/* Main */
.container {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin: 0 auto;
  padding: 24px 20px 80px;
}

.view { animation: fadeIn 0.3s ease; }
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Day header */
.day-hero {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  margin-bottom: 20px;
  position: relative;
  overflow: hidden;
}
.day-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 100% 0%, rgba(45, 212, 191, 0.10), transparent 50%);
  pointer-events: none;
}
.day-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--teal);
  margin-bottom: 10px;
}
.day-eyebrow .pill {
  background: var(--teal-soft);
  border: 1px solid rgba(45, 212, 191, 0.25);
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 11px;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.day-eyebrow .pill.amber {
  background: var(--amber-soft);
  border-color: rgba(245, 158, 11, 0.25);
  color: var(--amber);
}
.day-eyebrow .pill.violet {
  background: rgba(167, 139, 250, 0.10);
  border-color: rgba(167, 139, 250, 0.25);
  color: var(--violet);
}
.day-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
  line-height: 1.2;
}
.day-subtitle {
  color: var(--text-muted);
  font-size: 14px;
  position: relative;
  z-index: 1;
}
.day-meta-row {
  display: flex;
  gap: 20px;
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.day-meta {
  font-size: 12px;
  color: var(--text-dim);
}
.day-meta strong {
  display: block;
  color: var(--text);
  font-size: 16px;
  font-weight: 700;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 14px;
  transition: border-color 0.15s;
}
.card:hover { border-color: var(--border-strong); }

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.card-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
  flex: 1;
}
.card-meta {
  font-size: 12px;
  color: var(--text-dim);
  font-weight: 500;
  white-space: nowrap;
}
.card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}
.card-icon.teal { background: var(--teal-soft); }
.card-icon.amber { background: var(--amber-soft); }
.card-icon.violet { background: rgba(167, 139, 250, 0.10); }

.card-body {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}
.card-body strong { color: var(--text); font-weight: 600; }
.card-body p + p { margin-top: 10px; }
.card-body ul { margin: 8px 0 0 0; padding-left: 20px; }
.card-body li { margin-bottom: 4px; }

/* Mood log */
.mood-log {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 16px;
}
.mood-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 12px 6px;
  border-radius: 10px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 11px;
}
.mood-btn .emoji { font-size: 22px; }
.mood-btn:hover { border-color: var(--border-strong); color: var(--text); }
.mood-btn.selected {
  background: var(--teal-soft);
  border-color: var(--teal);
  color: var(--text);
}

.mood-note {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 12px 14px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  margin-top: 12px;
  resize: vertical;
  min-height: 48px;
}
.mood-note:focus { outline: none; border-color: var(--teal); }
.mood-note::placeholder { color: var(--text-dim); }

/* Task / checklist */
.task {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.18s;
  position: relative;
}
.task:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.task.done {
  background: rgba(45, 212, 191, 0.04);
  border-color: rgba(45, 212, 191, 0.25);
}
.task.skipped {
  opacity: 0.55;
  border-style: dashed;
}

.task-check {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  margin-top: 1px;
}
.task.done .task-check {
  background: var(--teal);
  border-color: var(--teal);
  color: #0A0A0A;
}
.task.done .task-check::after {
  content: '✓';
  font-size: 14px;
  font-weight: 800;
}
.task.skipped .task-check::after {
  content: '—';
  color: var(--text-dim);
  font-weight: 700;
}

.task-content { flex: 1; min-width: 0; }
.task-label {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.45;
  margin-bottom: 4px;
}
.task.done .task-label {
  text-decoration: line-through;
  text-decoration-thickness: 1px;
  color: var(--text-muted);
}
.task-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 12px;
  color: var(--text-dim);
}
.task-meta .tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.task-actions {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}
.task-action {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
}
.task-action:hover { color: var(--text); border-color: var(--border-strong); }

.task-details {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin-top: 8px;
  padding: 12px 14px;
  background: var(--bg-elevated);
  border-radius: 8px;
  display: none;
}
.task-details.open { display: block; }
.task-details ul { margin: 4px 0 0 18px; }

/* Section heading */
.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 28px 0 12px;
  padding: 0 4px;
}
.section-head h2 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-muted);
}
.section-head .meta {
  font-size: 12px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* Reflection */
.reflection-textarea {
  width: 100%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  resize: vertical;
  min-height: 80px;
  line-height: 1.55;
}
.reflection-textarea:focus { outline: none; border-color: var(--teal); }

/* Streak / progress */
.streak-ribbon {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  background: linear-gradient(135deg, rgba(45, 212, 191, 0.08), rgba(167, 139, 250, 0.05));
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 20px;
}
.streak-num {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, var(--teal), var(--violet));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.streak-label {
  font-size: 13px;
  color: var(--text-muted);
}
.streak-label strong { color: var(--text); display: block; font-weight: 600; font-size: 15px; margin-bottom: 2px; }

/* Phase strip */
.phase-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 14px;
}
.phase-pill {
  padding: 10px 8px;
  border-radius: 8px;
  text-align: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
}
.phase-pill .name {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
}
.phase-pill .range {
  font-size: 10px;
  color: var(--text-dim);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}
.phase-pill.active {
  background: var(--teal-soft);
  border-color: var(--teal);
}
.phase-pill.active .name { color: var(--teal); }
.phase-pill.done {
  background: rgba(52, 211, 153, 0.06);
  border-color: rgba(52, 211, 153, 0.3);
}
.phase-pill.done .name { color: var(--green); }

/* Phase view */
.phase-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 14px;
}
.phase-card.locked { opacity: 0.55; }
.phase-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  gap: 12px;
}
.phase-card-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.phase-card-status {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 100px;
}
.phase-card-status.active { background: var(--teal-soft); color: var(--teal); }
.phase-card-status.done { background: rgba(52, 211, 153, 0.10); color: var(--green); }
.phase-card-status.upcoming { background: var(--bg-elevated); color: var(--text-dim); }
.phase-card-status.locked { background: var(--bg-elevated); color: var(--text-dim); }
.phase-card-desc { color: var(--text-muted); font-size: 14px; margin-bottom: 14px; }
.phase-progress {
  height: 6px;
  background: var(--bg-elevated);
  border-radius: 100px;
  overflow: hidden;
  margin-top: 8px;
}
.phase-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--teal), var(--violet));
  transition: width 0.4s;
}
.phase-tracks {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
  margin-top: 14px;
}
.phase-track {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
}
.phase-track-name { font-size: 12px; font-weight: 600; margin-bottom: 4px; }
.phase-track-desc { font-size: 11px; color: var(--text-dim); line-height: 1.45; }

/* Week view */
.week-row {
  display: grid;
  grid-template-columns: 80px 1fr 100px;
  gap: 12px;
  align-items: center;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.week-row:hover { border-color: var(--border-strong); }
.week-row.today { border-color: var(--teal); background: var(--teal-soft); }
.week-row.past { opacity: 0.7; }
.week-row.future { opacity: 0.55; }
.week-day-num { font-weight: 700; font-size: 14px; font-variant-numeric: tabular-nums; }
.week-day-label { font-size: 11px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.04em; margin-top: 1px; }
.week-day-summary { font-size: 13px; color: var(--text-muted); }
.week-day-progress {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  text-align: right;
}
.week-day-progress.full { color: var(--teal); }
.week-day-progress.partial { color: var(--amber); }

/* Receipt */
.receipt {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
}
.receipt h2 { font-size: 22px; font-weight: 700; margin-bottom: 12px; letter-spacing: -0.02em; }
.receipt p { color: var(--text-muted); font-size: 14px; margin-bottom: 16px; }
.receipt-output {
  width: 100%;
  background: #0F0F13;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  line-height: 1.55;
  resize: vertical;
  min-height: 280px;
  white-space: pre-wrap;
}
.receipt-actions { display: flex; gap: 10px; margin-top: 14px; align-items: center; }

/* Buttons */
.btn {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s;
  letter-spacing: -0.01em;
}
.btn:hover { border-color: var(--border-strong); background: var(--bg-card-hover); }
.btn-primary {
  background: var(--teal);
  color: #0A0A0A;
  border-color: var(--teal);
  box-shadow: 0 0 20px rgba(45, 212, 191, 0.2);
}
.btn-primary:hover {
  background: #5EE2D0;
  border-color: #5EE2D0;
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: var(--border);
}
.btn-danger {
  color: var(--rose);
  border-color: rgba(244, 63, 94, 0.3);
}
.btn-danger:hover { background: rgba(244, 63, 94, 0.08); }

/* Toast */
.toast {
  position: fixed;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 14px 22px;
  font-size: 14px;
  font-weight: 500;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}
.toast.success { border-color: var(--teal); color: var(--teal); }
.toast.warn { border-color: var(--amber); color: var(--amber); }

/* Settings */
.setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.setting-row:last-child { border-bottom: none; }
.setting-label { font-size: 14px; font-weight: 500; }
.setting-desc { font-size: 12px; color: var(--text-dim); margin-top: 2px; }

/* Empty state */
.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}
.empty .icon { font-size: 40px; margin-bottom: 12px; opacity: 0.6; }

/* Mobile */
@media (max-width: 720px) {
  .topbar-inner { flex-direction: column; align-items: stretch; gap: 10px; }
  .tabs { justify-content: space-between; gap: 4px; }
  .tab { font-size: 12px; padding: 11px 8px; flex: 1; text-align: center; min-height: 44px; background: var(--bg-elevated); border: 1px solid var(--border); }
  .container { padding: 18px 14px 80px; }
  .day-hero { padding: 22px 18px; }
  .day-title { font-size: 22px; }
  .day-meta-row { gap: 12px; }
  .card { padding: 18px; }
  .week-row { grid-template-columns: 64px 1fr 60px; padding: 12px 12px; gap: 10px; }
  .phase-strip { grid-template-columns: 1fr 1fr; }
  .mood-btn { padding: 14px 4px; min-height: 56px; }
  .task { padding: 14px; gap: 12px; }
  .task-action { padding: 8px 10px; min-height: 32px; }
  .day-meta-row { flex-wrap: wrap; }
}