/* ─── DESIGN TOKENS ──────────────────────────────────────────────────────── */
:root {
  --bg-app: #030712;
  --bg-nav: rgba(10, 15, 30, 0.75);
  --bg-card: rgba(17, 24, 39, 0.6);
  --bg-card-hover: rgba(31, 41, 55, 0.7);
  --bg-input: #0b0f19;

  --bd-default: rgba(255, 255, 255, 0.08);
  --bd-faint: rgba(255, 255, 255, 0.04);
  --bd-glow: rgba(138, 43, 226, 0.4);

  --tx-primary: #f3f4f6;
  --tx-secondary: #9ca3af;
  --tx-muted: #6b7280;

  --ac-primary: #8a2be2;
  --ac-primary-rgb: 138, 43, 226;
  --ac-secondary: #c084fc;
  --ac-glow: rgba(138, 43, 226, 0.35);

  --start-grad: linear-gradient(135deg, #8a2be2, #4a00e0);
  --stop-grad: linear-gradient(135deg, #ef4444, #b91c1c);
  --start-glow: rgba(138, 43, 226, 0.5);
  --stop-glow: rgba(239, 68, 68, 0.4);

  --ok-text: #34d399;
  --ok-dim: rgba(52, 211, 153, 0.1);
  --ok-bd: rgba(52, 211, 153, 0.2);

  /* Baby sleep timeline colors */
  --color-night: #7c3aed;
  --color-night-dim: rgba(124, 58, 237, 0.15);
  --color-nap: #0ea5e9;
  --color-nap-dim: rgba(14, 165, 233, 0.12);

  --r-sm: 8px;
  --r-md: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --sh-sm: 0 4px 6px -1px rgba(0,0,0,0.5);
  --sh-md: 0 10px 15px -3px rgba(0,0,0,0.6), 0 4px 6px -2px rgba(0,0,0,0.5);
  --sh-lg: 0 20px 25px -5px rgba(0,0,0,0.7), 0 10px 10px -5px rgba(0,0,0,0.6);
  --sh-glow: 0 0 30px rgba(138,43,226,0.4);

  --font: 'Outfit', sans-serif;
  color-scheme: dark;
}

[data-theme="light"] {
  --bg-app: #f3f4f6;
  --bg-nav: rgba(255,255,255,0.85);
  --bg-card: rgba(255,255,255,0.8);
  --bg-card-hover: rgba(243,244,246,0.9);
  --bg-input: #ffffff;

  --bd-default: rgba(0,0,0,0.08);
  --bd-faint: rgba(0,0,0,0.03);
  --bd-glow: rgba(138,43,226,0.2);

  --tx-primary: #111827;
  --tx-secondary: #4b5563;
  --tx-muted: #9ca3af;

  --ac-primary: #7c3aed;
  --ac-primary-rgb: 124, 58, 237;
  --ac-secondary: #7c3aed;
  --ac-glow: rgba(124,58,237,0.2);

  --start-grad: linear-gradient(135deg, #7c3aed, #4f46e5);
  --stop-grad: linear-gradient(135deg, #f87171, #dc2626);
  --start-glow: rgba(124,58,237,0.3);
  --stop-glow: rgba(239,68,68,0.2);

  --ok-text: #059669;
  --ok-dim: rgba(5,150,105,0.1);
  --ok-bd: rgba(5,150,105,0.2);

  --sh-sm: 0 4px 6px -1px rgba(0,0,0,0.05);
  --sh-md: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
  --sh-lg: 0 20px 25px -5px rgba(0,0,0,0.12), 0 10px 10px -5px rgba(0,0,0,0.06);
  --sh-glow: 0 0 20px rgba(124,58,237,0.25);
  color-scheme: light;
}

/* ─── BASE RESET ────────────────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

textarea, input {
  user-select: text;
  -webkit-user-select: text;
}

body, html {
  font-family: var(--font);
  background-color: var(--bg-app);
  color: var(--tx-primary);
  height: 100%;
  width: 100%;
  overflow: hidden;
  position: fixed;
  top: 0; left: 0;
  transition: background-color 0.4s ease, color 0.4s ease;
}

/* ─── APP SHELL ──────────────────────────────────────────────────────────── */
.app-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 480px;
  margin: 0 auto;
  position: relative;
  background-color: var(--bg-app);
  border-left: 1px solid var(--bd-faint);
  border-right: 1px solid var(--bd-faint);
}

/* ─── TOP NAV ───────────────────────────────────────────────────────────── */
.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
  background-color: var(--bg-nav);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--bd-default);
  z-index: 100;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-logo {
  filter: drop-shadow(0 2px 8px var(--ac-glow));
}

.brand-name {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.accent-text { color: var(--ac-secondary); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-icon {
  background: none;
  border: 1px solid var(--bd-default);
  color: var(--tx-secondary);
  border-radius: var(--r-sm);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-icon:hover {
  background-color: var(--bd-faint);
  color: var(--tx-primary);
}

.btn-icon-secondary {
  background: var(--ok-dim);
  border: 1px solid var(--ok-bd);
  color: var(--ok-text);
  border-radius: var(--r-sm);
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

/* ─── CONTENT SCROLL ─────────────────────────────────────────────────────── */
.content-scroll {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  padding-bottom: calc(80px + env(safe-area-inset-bottom, 0px));
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

.content-scroll::-webkit-scrollbar { display: none; }

/* ─── BOTTOM TAB NAV ─────────────────────────────────────────────────────── */
.bottom-tab-nav {
  display: flex;
  justify-content: space-around;
  align-items: center;
  position: absolute;
  bottom: 0; left: 0; width: 100%;
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom, 0px)) 10px;
  background-color: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--bd-default);
  z-index: 100;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  background: none;
  border: none;
  color: var(--tx-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 6px 24px;
  border-radius: var(--r-md);
  position: relative;
}

.tab-item.active { color: var(--ac-secondary); }
.tab-item.active svg { transform: translateY(-1px); }

.tab-item::after {
  content: '';
  position: absolute;
  bottom: 0; width: 0; height: 3px;
  background-color: var(--ac-secondary);
  border-radius: 99px;
  transition: width 0.25s ease;
}
.tab-item.active::after { width: 20px; }

.tab-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.2px;
}

/* ─── PAGE SECTIONS ──────────────────────────────────────────────────────── */
.page-section {
  display: none;
  flex-direction: column;
  animation: pageFadeIn 0.3s ease forwards;
}

.page-section.active { display: flex; }

@keyframes pageFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── TRACKER PAGE ───────────────────────────────────────────────────────── */
.status-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 7px 16px;
  border-radius: 99px;
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  align-self: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}

.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background-color: var(--tx-muted);
}

.status-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tx-secondary);
}

.status-card.sleeping {
  background-color: rgba(124,58,237,0.1);
  border-color: rgba(124,58,237,0.3);
  box-shadow: 0 0 15px rgba(124,58,237,0.12);
}

.status-card.sleeping .status-dot {
  background-color: var(--ac-secondary);
  animation: dotPulse 1.5s infinite alternate;
}

.status-card.sleeping .status-label { color: var(--ac-secondary); }

@keyframes dotPulse {
  from { opacity: 0.4; transform: scale(0.9); }
  to   { opacity: 1;   transform: scale(1.15); }
}

/* Timer circle */
.timer-display-container {
  width: 190px; height: 190px;
  margin: 0 auto 24px auto;
  position: relative;
  display: flex; align-items: center; justify-content: center;
}

.outer-glow-ring {
  position: absolute;
  width: 100%; height: 100%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(var(--ac-primary-rgb),0.15) 0%, transparent 70%);
  z-index: 1;
  opacity: 0;
  transform: scale(0.9);
  transition: all 0.4s ease;
}

.status-card.sleeping ~ .timer-display-container .outer-glow-ring {
  opacity: 1; transform: scale(1.1);
  animation: pulseRing 3s infinite ease-in-out;
}

@keyframes pulseRing {
  0%   { transform: scale(1);    opacity: 0.8; }
  50%  { transform: scale(1.1);  opacity: 0.35; }
  100% { transform: scale(1);    opacity: 0.8; }
}

.timer-circle {
  position: relative; z-index: 2;
  width: 170px; height: 170px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  box-shadow: var(--sh-md);
  transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.status-card.sleeping ~ .timer-display-container .timer-circle {
  border-color: rgba(var(--ac-primary-rgb), 0.35);
  box-shadow: var(--sh-glow);
}

.timer-text {
  font-size: 1.875rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--tx-primary);
  font-variant-numeric: tabular-nums;
  margin-bottom: 2px;
}

.timer-subtext {
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--tx-muted);
  text-transform: uppercase;
  letter-spacing: 1.2px;
}

/* Tracker control buttons */
.tracker-controls {
  display: flex;
  gap: 14px;
  width: 100%;
  max-width: 300px;
  margin: 0 auto 16px auto;
}

.control-btn {
  flex: 1;
  aspect-ratio: 1;
  border-radius: var(--r-md);
  border: 1px solid var(--bd-default);
  background-color: var(--bg-card);
  color: var(--tx-primary);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--sh-md);
  transition: all 0.3s ease;
}

.btn-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.btn-title {
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.btn-subtitle {
  font-size: 0.625rem;
  color: var(--tx-secondary);
  font-weight: 500;
}

.control-btn.start-glow:not(:disabled) {
  border-color: rgba(var(--ac-primary-rgb), 0.3);
}
.control-btn.start-glow:not(:disabled) svg { color: var(--ac-secondary); }
.control-btn.start-glow:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px -5px var(--start-glow);
  border-color: rgba(var(--ac-primary-rgb), 0.5);
}
.control-btn.start-glow:not(:disabled):active { transform: translateY(0); filter: brightness(0.9); }

.control-btn.stop-glow:not(:disabled) { border-color: rgba(239,68,68,0.25); }
.control-btn.stop-glow:not(:disabled) svg { color: #f87171; }
.control-btn.stop-glow:not(:disabled):hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 20px -5px var(--stop-glow);
  border-color: rgba(239,68,68,0.45);
}

.control-btn:disabled {
  opacity: 0.25;
  cursor: not-allowed;
  box-shadow: none;
}

/* Wake-up row */
.wakeup-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 16px;
}

.btn-wakeup {
  background: rgba(14,165,233,0.1);
  border: 1px solid rgba(14,165,233,0.25);
  color: #38bdf8;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 99px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.2s ease;
}

.btn-wakeup:hover {
  background: rgba(14,165,233,0.18);
  border-color: rgba(14,165,233,0.5);
}

.wakeup-count {
  font-size: 0.8125rem;
  font-weight: 700;
  color: #38bdf8;
}

/* Today card */
.today-card {
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  border-radius: var(--r-md);
  padding: 14px;
  margin-bottom: 14px;
  box-shadow: var(--sh-sm);
}

.today-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}

.today-title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--tx-primary);
}

.today-total {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--ac-secondary);
}

.mini-timeline {
  width: 100%;
  margin-bottom: 12px;
  min-height: 28px;
  display: flex;
  align-items: center;
}

.mini-tl-placeholder {
  font-size: 0.6875rem;
  color: var(--tx-muted);
  width: 100%;
  text-align: center;
}

.today-stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.today-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.today-stat-label {
  font-size: 0.5625rem;
  color: var(--tx-muted);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.today-stat-val {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--tx-primary);
}

/* Manual entry button */
.manual-entry-hint { text-align: center; }

.btn-manual-entry {
  background: none;
  border: 1px dashed var(--bd-default);
  color: var(--tx-muted);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 99px;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  transition: all 0.2s ease;
}

.btn-manual-entry:hover {
  border-color: var(--ac-secondary);
  color: var(--ac-secondary);
}

/* ─── STATS PAGE ─────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 16px;
}

.stat-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: var(--r-md);
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  box-shadow: var(--sh-sm);
}

.stat-icon-wrapper {
  width: 34px; height: 34px;
  border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}

.stat-icon-wrapper.blue   { background-color: rgba(14,165,233,0.15); color: #38bdf8; }
.stat-icon-wrapper.purple { background-color: rgba(124,58,237,0.15); color: #a78bfa; }
.stat-icon-wrapper.green  { background-color: rgba(16,185,129,0.15); color: #34d399; }
.stat-icon-wrapper.orange { background-color: rgba(245,158,11,0.15); color: #fbbf24; }

.stat-info {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.stat-label {
  font-size: 0.625rem;
  color: var(--tx-muted);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.stat-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--tx-primary);
  margin-top: 1px;
}

/* Chart container */
.chart-container {
  padding: 14px;
  border-radius: var(--r-md);
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  box-shadow: var(--sh-sm);
  margin-bottom: 16px;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
}

.chart-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--tx-primary);
}

.chart-subtitle {
  font-size: 0.625rem;
  color: var(--tx-muted);
  margin-top: 1px;
  display: block;
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.legend-dot {
  width: 10px; height: 10px;
  border-radius: 2px;
  display: inline-block;
}
.legend-dot.night { background-color: var(--color-night); }
.legend-dot.nap   { background-color: var(--color-nap); }

.legend-label {
  font-size: 0.625rem;
  color: var(--tx-muted);
  font-weight: 500;
}

.chart-placeholder {
  font-size: 0.75rem;
  color: var(--tx-muted);
  text-align: center;
  padding: 16px 0;
}

.week-timeline-wrapper {
  width: 100%;
  overflow: hidden;
}

/* History section */
.history-section { display: flex; flex-direction: column; }

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-title {
  font-size: 0.9375rem;
  font-weight: 600;
}

.history-actions {
  display: flex;
  gap: 12px;
}

.btn-text {
  background: none;
  border: none;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ac-secondary);
  cursor: pointer;
  padding: 4px;
  transition: opacity 0.2s ease;
}
.btn-text:hover { opacity: 0.75; }

.history-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.history-placeholder {
  padding: 24px;
  text-align: center;
  font-size: 0.78125rem;
  color: var(--tx-muted);
  background-color: var(--bg-card);
  border: 1px dashed var(--bd-default);
  border-radius: var(--r-md);
}

/* Day header in history */
.history-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 4px 6px;
  margin-top: 8px;
}

.history-day-header:first-child { margin-top: 0; }

.history-day-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--tx-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.history-day-total {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--ac-secondary);
}

/* Wake window separator */
.wake-window-sep {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  margin: 3px 0;
  font-size: 0.6875rem;
  color: var(--tx-muted);
}

.wake-window-icon { font-size: 0.75rem; }
.wake-window-label { font-weight: 500; }

/* History item */
.history-item {
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  border-radius: var(--r-md);
  padding: 12px 14px;
  margin-bottom: 6px;
  transition: border-color 0.2s ease;
  animation: slideIn 0.25s ease;
}

.history-item:hover { border-color: var(--bd-glow); }

.history-item.night { border-left: 3px solid var(--color-night); }
.history-item.nap   { border-left: 3px solid var(--color-nap); }

.history-row-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.history-type-badge {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 99px;
}

.history-type-badge.night {
  background-color: var(--color-night-dim);
  color: #a78bfa;
}

.history-type-badge.nap {
  background-color: var(--color-nap-dim);
  color: #38bdf8;
}

.history-duration-badge {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--tx-primary);
}

.history-time-range {
  font-size: 0.6875rem;
  color: var(--tx-muted);
  margin-bottom: 5px;
}

.history-wakeups {
  display: block;
  font-size: 0.6875rem;
  color: var(--tx-secondary);
  margin-bottom: 4px;
}

.history-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 5px;
}

.tag-chip {
  font-size: 0.625rem;
  padding: 2px 7px;
  border-radius: 99px;
  background-color: var(--bd-faint);
  border: 1px solid var(--bd-default);
  color: var(--tx-secondary);
}

.history-note {
  font-size: 0.6875rem;
  color: var(--tx-secondary);
  background-color: var(--bd-faint);
  border-left: 2px solid var(--bd-glow);
  padding: 5px 8px;
  border-radius: 4px;
  margin-bottom: 5px;
  font-style: italic;
  word-break: break-word;
}

.history-row-bottom {
  display: flex;
  justify-content: flex-end;
  margin-top: 2px;
}

.history-actions-row {
  display: flex;
  gap: 4px;
}

.history-edit-btn, .history-delete-btn {
  background: none;
  border: none;
  color: var(--tx-muted);
  cursor: pointer;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  transition: all 0.2s ease;
}

.history-edit-btn:hover {
  background-color: rgba(var(--ac-primary-rgb), 0.1);
  color: var(--ac-secondary);
}

.history-delete-btn:hover {
  background-color: rgba(239,68,68,0.12);
  color: #f87171;
}

/* ─── MODALS ─────────────────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-color: rgba(3,7,18,0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 1000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

@media (min-width: 480px) {
  .modal-overlay { align-items: center; }
}

.modal-card {
  width: 100%;
  max-width: 480px;
  background-color: var(--bg-app);
  border-top: 1px solid var(--bd-default);
  border-top-left-radius: var(--r-lg);
  border-top-right-radius: var(--r-lg);
  padding: 22px 18px calc(22px + env(safe-area-inset-bottom, 0px)) 18px;
  animation: slideSheetUp 0.32s cubic-bezier(0.16,1,0.3,1) forwards;
  transform: translateY(100%);
}

@media (min-width: 480px) {
  .modal-card {
    border-radius: var(--r-lg);
    border: 1px solid var(--bd-default);
    transform: scale(0.95);
    animation: scaleModalIn 0.28s cubic-bezier(0.16,1,0.3,1) forwards;
  }
}

@keyframes slideSheetUp { to { transform: translateY(0); } }
@keyframes scaleModalIn { to { transform: scale(1); } }

.modal-card-sm {
  max-width: 360px;
}

.modal-header {
  text-align: center;
  margin-bottom: 18px;
}

.modal-title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--tx-primary);
}

.modal-subtitle {
  font-size: 0.8125rem;
  color: var(--tx-secondary);
  margin-top: 3px;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 20px;
}

.modal-footer {
  display: flex;
  gap: 10px;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-danger {
  flex: 1;
  padding: 11px;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
}

.btn-primary {
  background: var(--start-grad);
  color: #fff;
  box-shadow: 0 4px 10px rgba(138,43,226,0.3);
}
.btn-primary:hover { filter: brightness(1.1); }

.btn-secondary {
  background-color: var(--bg-card);
  color: var(--tx-secondary);
  border: 1px solid var(--bd-default);
}
.btn-secondary:hover { background-color: var(--bg-card-hover); color: var(--tx-primary); }

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #b91c1c);
  color: #fff;
  box-shadow: 0 4px 10px rgba(239,68,68,0.25);
}
.btn-danger:hover { filter: brightness(1.1); }

/* Tag grid */
.tags-section { display: flex; flex-direction: column; gap: 8px; }

.tags-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 7px;
}

.tag-btn {
  background: var(--bg-card);
  border: 1px solid var(--bd-default);
  color: var(--tx-secondary);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  padding: 8px 4px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: all 0.18s ease;
  text-align: center;
}

.tag-btn:hover {
  border-color: var(--ac-secondary);
  color: var(--tx-primary);
}

.tag-btn.active {
  background-color: rgba(var(--ac-primary-rgb), 0.15);
  border-color: var(--ac-secondary);
  color: var(--ac-secondary);
  font-weight: 600;
}

/* Stepper */
.wakeups-section { display: flex; flex-direction: column; gap: 8px; }

.stepper-row {
  display: flex;
  align-items: center;
  gap: 0;
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  border-radius: var(--r-sm);
  overflow: hidden;
  align-self: flex-start;
}

.stepper-btn {
  background: none;
  border: none;
  color: var(--ac-secondary);
  font-family: var(--font);
  font-size: 1.25rem;
  font-weight: 700;
  width: 44px; height: 40px;
  cursor: pointer;
  transition: background-color 0.15s ease;
  display: flex; align-items: center; justify-content: center;
}

.stepper-btn:hover { background-color: var(--bd-faint); }

.stepper-val {
  min-width: 48px;
  text-align: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--tx-primary);
  border-left: 1px solid var(--bd-default);
  border-right: 1px solid var(--bd-default);
  height: 40px;
  display: flex; align-items: center; justify-content: center;
}

/* Datetime inputs */
.datetime-input-group {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

input[type="datetime-local"] {
  font-family: var(--font);
  background-color: var(--bg-input);
  border: 1px solid var(--bd-default);
  color: var(--tx-primary);
  border-radius: var(--r-sm);
  padding: 10px 12px;
  font-size: 0.8125rem;
  outline: none;
  width: 100%;
  transition: border-color 0.2s ease;
  color-scheme: dark;
}

[data-theme="light"] input[type="datetime-local"] { color-scheme: light; }
input[type="datetime-local"]:focus { border-color: var(--ac-secondary); }

/* Note field */
.note-field-container { display: flex; flex-direction: column; gap: 5px; }

.input-label {
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--tx-secondary);
}

.sleep-summary-badge {
  background-color: var(--bg-card);
  border: 1px solid var(--bd-default);
  padding: 9px 14px;
  border-radius: 99px;
  font-size: 0.8125rem;
  color: var(--tx-secondary);
  align-self: center;
  font-weight: 500;
}

.sleep-summary-badge strong { color: var(--ac-secondary); }

textarea {
  font-family: var(--font);
  background-color: var(--bg-input);
  border: 1px solid var(--bd-default);
  color: var(--tx-primary);
  border-radius: var(--r-sm);
  padding: 9px 12px;
  font-size: 0.8125rem;
  resize: none;
  outline: none;
  transition: border-color 0.2s ease;
  width: 100%;
}

textarea:focus { border-color: var(--ac-secondary); }

/* ─── TOAST ──────────────────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
  width: calc(100% - 40px);
  max-width: 320px;
}

.toast {
  background-color: rgba(17,24,39,0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid var(--bd-default);
  border-radius: var(--r-sm);
  padding: 11px 14px;
  color: var(--tx-primary);
  font-size: 0.78125rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: var(--sh-md);
  transform: translateY(20px);
  opacity: 0;
  animation: toastIn 0.3s cubic-bezier(0.175,0.885,0.32,1.275) forwards;
  pointer-events: auto;
}

.toast.success { border-left: 3px solid var(--ok-text); }
.toast.error   { border-left: 3px solid #ef4444; }
.toast.info    { border-left: 3px solid var(--ac-secondary); }

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--tx-muted);
  cursor: pointer;
  font-size: 1rem;
}

@keyframes toastIn {
  to { transform: translateY(0); opacity: 1; }
}

/* ─── UTILITIES ──────────────────────────────────────────────────────────── */
.hidden { display: none !important; }

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes slideIn {
  from { transform: translateY(12px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

@keyframes fadeOut {
  to { opacity: 0; transform: translateY(-8px); }
}