/* ============================================
   VegiRise - Dark Theme CSS
   ============================================ */

:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-card-hover: #1e2d4f;
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;
  --accent-green: #4ade80;
  --accent-green-light: #86efac;
  --accent-green-dark: #22c55e;
  --accent-blue: #60a5fa;
  --accent-purple: #a78bfa;
  --accent-orange: #fb923c;
  --accent-red: #f87171;
  --accent-yellow: #fbbf24;
  --gradient-header: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --border-color: #2a2a3e;
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
  --radius: 12px;
  --radius-sm: 8px;
  --nav-height: 65px;
}

/* ---- Reset & Base ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overscroll-behavior: none;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: var(--nav-height);
}

#page-content {
  padding: 16px;
  max-width: 480px;
  margin: 0 auto;
  animation: fadeIn 0.3s ease;
}

/* ---- Bottom Navigation ---- */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 100;
  padding-bottom: env(safe-area-inset-bottom);
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  height: 100%;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.nav-btn .nav-icon {
  font-size: 24px;
  transition: transform 0.2s ease;
}

.nav-btn .nav-label {
  font-size: 10px;
  font-weight: 500;
}

.nav-btn.active {
  color: var(--accent-green);
}

.nav-btn.active .nav-icon {
  transform: scale(1.15);
}

/* ---- Cards ---- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
  transition: background 0.2s ease;
}

.card:hover {
  background: var(--bg-card-hover);
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 12px;
}

/* ---- Buttons ---- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-green);
  color: #0a0a1a;
  font-weight: 700;
  font-size: 16px;
  border: none;
  border-radius: var(--radius);
  padding: 12px 24px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary:active {
  transform: scale(0.95);
  background: var(--accent-green-dark);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-primary:disabled:active {
  transform: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--accent-green);
  font-weight: 600;
  font-size: 14px;
  border: 2px solid var(--accent-green);
  border-radius: var(--radius);
  padding: 10px 20px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn-secondary:active {
  transform: scale(0.95);
  background: rgba(74, 222, 128, 0.1);
}

.btn-danger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--accent-red);
  font-weight: 600;
  font-size: 14px;
  border: 2px solid var(--accent-red);
  border-radius: var(--radius);
  padding: 10px 20px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn-danger:active {
  transform: scale(0.95);
  background: rgba(248, 113, 113, 0.1);
}

.btn-full {
  width: 100%;
}

/* ---- Slider ---- */
.slider-container {
  padding: 8px 0;
}

.slider-container label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text-secondary);
}

.slider-container .slider-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-green);
}

.slider-container input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  outline: none;
}

.slider-container input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-green);
  cursor: pointer;
  border: 3px solid var(--bg-primary);
  box-shadow: 0 2px 6px rgba(74, 222, 128, 0.4);
}

.slider-container input[type="range"]::-moz-range-thumb {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--accent-green);
  cursor: pointer;
  border: 3px solid var(--bg-primary);
  box-shadow: 0 2px 6px rgba(74, 222, 128, 0.4);
}

.slider-container input[type="range"]::-webkit-slider-runnable-track {
  background: linear-gradient(to right, var(--accent-green) 0%, var(--accent-green) var(--progress, 50%), var(--bg-secondary) var(--progress, 50%));
  height: 8px;
  border-radius: 4px;
}

/* Firefox slider track */
.slider-container input[type="range"]::-moz-range-track {
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  border: none;
}

.slider-container input[type="range"]::-moz-range-progress {
  height: 8px;
  background: var(--accent-green);
  border-radius: 4px;
}

/* ---- Calendar ---- */
.calendar {
  user-select: none;
}

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

.calendar-header .month-label {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.calendar-header button {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 20px;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  -webkit-tap-highlight-color: transparent;
}

.calendar-header button:active {
  background: var(--bg-card-hover);
}

.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  margin-bottom: 4px;
}

.calendar-weekdays span {
  text-align: center;
  font-size: 11px;
  color: var(--text-muted);
  padding: 4px 0;
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.cal-cell {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 12px;
  color: var(--text-muted);
  background: transparent;
  cursor: pointer;
  transition: background 0.2s ease;
  border: none;
  -webkit-tap-highlight-color: transparent;
}

.cal-cell.empty {
  cursor: default;
}

.cal-cell[data-score="0"] {
  background: #2a2a3e;
  color: var(--text-secondary);
}

.cal-cell[data-score="1"] {
  background: #1a4a2e;
  color: var(--text-primary);
}

.cal-cell[data-score="2"] {
  background: #2a6a3e;
  color: var(--text-primary);
}

.cal-cell[data-score="3"] {
  background: #3a8a4e;
  color: var(--text-primary);
}

.cal-cell[data-score="4"] {
  background: var(--accent-green);
  color: #0a0a1a;
  font-weight: 700;
}

.cal-cell.today {
  border: 2px solid var(--accent-yellow);
}

.cal-cell:active:not(.empty) {
  transform: scale(0.9);
}

/* ---- Badges ---- */
.badge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 12px 4px;
  text-align: center;
}

.badge-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  background: var(--bg-secondary);
  transition: all 0.3s ease;
}

.badge-label {
  font-size: 11px;
  color: var(--text-secondary);
  line-height: 1.3;
}

.badge.locked .badge-icon {
  filter: grayscale(1);
  opacity: 0.4;
}

.badge.unlocked .badge-icon {
  box-shadow: 0 0 12px var(--accent-green), 0 0 4px var(--accent-green);
}

.badge.new .badge-icon {
  animation: glow 2s ease-in-out infinite;
}

/* ---- Modal ---- */
#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: fadeIn 0.2s ease;
}

#modal-overlay.hidden {
  display: none;
}

#modal-content {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 90%;
  width: 360px;
  max-height: 80vh;
  overflow-y: auto;
  animation: slideUp 0.3s ease;
}

#modal-content h2 {
  font-size: 18px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

/* ---- Toast ---- */
#toast-container {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 90%;
  max-width: 400px;
  pointer-events: none;
}

.toast {
  background: var(--bg-card);
  border-left: 4px solid var(--accent-green);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  box-shadow: var(--shadow);
  animation: slideDown 0.3s ease, fadeOut 0.3s ease 2.7s forwards;
  pointer-events: auto;
  font-size: 14px;
}

.toast.success {
  border-left-color: var(--accent-green);
}

.toast.error {
  border-left-color: var(--accent-red);
}

.toast.info {
  border-left-color: var(--accent-blue);
}

.toast.warning {
  border-left-color: var(--accent-orange);
}

/* ---- XP Bar ---- */
.xp-bar {
  position: relative;
  width: 100%;
  height: 12px;
  background: var(--bg-secondary);
  border-radius: 6px;
  overflow: hidden;
}

.xp-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-green-dark), var(--accent-green));
  border-radius: 6px;
  transition: width 0.5s ease;
}

.xp-info {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.xp-level {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-purple);
}

.xp-text {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ---- Streak ---- */
.streak {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: var(--accent-orange);
}

.streak-icon {
  font-size: 28px;
  animation: pulse 2s ease-in-out infinite;
}

.streak-label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 400;
}

/* ---- Stat Cards ---- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.stat-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 12px;
  text-align: center;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  animation: countUp 0.5s ease;
}

.stat-value.green { color: var(--accent-green); }
.stat-value.blue { color: var(--accent-blue); }
.stat-value.purple { color: var(--accent-purple); }
.stat-value.orange { color: var(--accent-orange); }

.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ---- Wakeup Display ---- */
.wakeup-display {
  text-align: center;
  padding: 20px 0;
}

.wakeup-time {
  font-size: 48px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
  font-variant-numeric: tabular-nums;
}

.wakeup-time.recorded {
  color: var(--accent-green);
}

.wakeup-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--accent-green);
  color: #0a0a1a;
  font-weight: 700;
  font-size: 18px;
  border: none;
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  -webkit-tap-highlight-color: transparent;
}

.wakeup-btn:active {
  transform: scale(0.95);
  background: var(--accent-green-dark);
}

.wakeup-btn:disabled {
  background: var(--bg-secondary);
  color: var(--text-muted);
  cursor: not-allowed;
}

/* ---- Goal Indicator ---- */
.goal-indicator {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

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

.goal-label {
  font-size: 12px;
  min-width: 40px;
  color: var(--text-secondary);
}

.goal-bar {
  flex: 1;
  height: 8px;
  background: var(--bg-secondary);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.goal-bar-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.goal-bar-fill.minimum {
  background: var(--accent-orange);
}

.goal-bar-fill.standard {
  background: var(--accent-blue);
}

.goal-bar-fill.target {
  background: var(--accent-green);
}

.goal-value {
  font-size: 12px;
  min-width: 48px;
  text-align: right;
  font-weight: 600;
  color: var(--text-secondary);
}

/* ---- Section Header ---- */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}

.section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

/* ---- Page Header ---- */
.page-header {
  background: var(--gradient-header);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  text-align: center;
}

.page-header h1 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
}

.page-header p {
  font-size: 13px;
  opacity: 0.8;
}

/* ---- Form Elements ---- */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input[type="time"],
.form-group input[type="number"],
.form-group select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 16px;
  outline: none;
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent-green);
}

/* ---- Toggle Switch ---- */
.toggle-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-color);
}

.toggle-row:last-child {
  border-bottom: none;
}

.toggle-label {
  font-size: 14px;
  color: var(--text-primary);
}

.toggle-sub {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.toggle-switch {
  position: relative;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-secondary);
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.3s ease;
}

.toggle-slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  bottom: 3px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: transform 0.3s ease, background 0.3s ease;
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-green);
}

.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(20px);
  background: #fff;
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: var(--border-color);
  margin: 16px 0;
}

/* ---- Hidden ---- */
.hidden {
  display: none !important;
}

/* ---- Animations ---- */
@keyframes fadeIn {
  0% { opacity: 0; transform: translateY(10px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes slideUp {
  0% { transform: translateY(100%); }
  100% { transform: translateY(0); }
}

@keyframes slideDown {
  0% { opacity: 0; transform: translateY(-20px); }
  100% { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
  0% { opacity: 1; }
  100% { opacity: 0; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes glow {
  0%, 100% { box-shadow: 0 0 5px var(--accent-green); }
  50% { box-shadow: 0 0 20px var(--accent-green); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes countUp {
  from { opacity: 0; transform: scale(0.5); }
  to { opacity: 1; transform: scale(1); }
}

/* ---- iOS Safe Area ---- */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  #bottom-nav {
    padding-bottom: env(safe-area-inset-bottom);
    height: calc(var(--nav-height) + env(safe-area-inset-bottom));
  }

  #app {
    padding-bottom: calc(var(--nav-height) + env(safe-area-inset-bottom));
  }
}

/* ---- Category Filter Buttons ---- */
.cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
  white-space: nowrap;
}

.cat-btn.active {
  background: var(--accent-green);
  color: #0a0a1a;
  border-color: var(--accent-green);
  font-weight: 600;
}

.cat-btn:active {
  transform: scale(0.95);
}

/* ---- Scrollbar ---- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 2px;
}