/* ========================================
   Ngondro Tracker - Dakini Inspired Theme
   Dark reds, burgundy, gold accents
   ======================================== */

:root {
  /* Core Palette - Deep Burgundy & Gold */
  --color-bg-deep: #1a0a0b;
  --color-bg: #2d1215;
  --color-bg-light: #4a1518;
  --color-bg-card: #3d1416;

  --color-primary: #8b2635;
  --color-primary-light: #a83242;
  --color-primary-dark: #6b1d28;

  --color-accent: #d4a853;
  --color-accent-light: #e8c67a;
  --color-accent-dim: #a68542;

  --color-text: #f5e6d3;
  --color-text-muted: #c4a68a;
  --color-text-dim: #8a7a6a;

  --color-danger: #c94a4a;
  --color-success: #4a8b5c;

  /* Typography */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-xxl: 3rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 50%;

  /* Shadows */
  --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(139, 38, 53, 0.4);
}

/* ========================================
   Reset & Base
   ======================================== */

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

html {
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-body);
  background: var(--color-bg-deep);
  color: var(--color-text);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  line-height: 1.5;
}

/* ========================================
   Background Decorations
   ======================================== */

.bg-pattern {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(139, 38, 53, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(212, 168, 83, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(139, 38, 53, 0.1) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.lotus-bg {
  position: fixed;
  bottom: -10%;
  left: 50%;
  transform: translateX(-50%);
  width: 150vw;
  height: 50vh;
  background: radial-gradient(ellipse at center bottom, rgba(139, 38, 53, 0.2) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ========================================
   Screen Management
   ======================================== */

.screen {
  display: none;
  position: fixed;
  inset: 0;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 1;
}

.screen.active {
  display: flex;
  flex-direction: column;
}

/* ========================================
   Login Screen
   ======================================== */

#login-screen {
  justify-content: center;
  align-items: center;
  padding: var(--space-xl);
}

.login-container {
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.dharma-wheel {
  font-size: 4rem;
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  animation: gentle-spin 30s linear infinite;
  text-shadow: 0 0 30px rgba(212, 168, 83, 0.5);
}

@keyframes gentle-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.app-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.02em;
}

.app-subtitle {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-accent);
  font-style: italic;
  margin-bottom: var(--space-xxl);
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.login-form input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  font-size: 1.1rem;
  border: 2px solid var(--color-bg-light);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  text-align: center;
  transition: all 0.3s ease;
}

.login-form input::placeholder {
  color: var(--color-text-dim);
}

.login-form input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 20px rgba(212, 168, 83, 0.2);
}

.error-message {
  color: var(--color-danger);
  font-size: 0.9rem;
  min-height: 1.4em;
}

.blessing-text {
  margin-top: var(--space-xxl);
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-muted);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-xl);
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text);
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover, .btn-primary:active {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--color-bg-light);
  color: var(--color-text);
  border: 1px solid var(--color-primary);
}

.btn-secondary:hover, .btn-secondary:active {
  background: var(--color-primary-dark);
}

.btn-danger {
  background: var(--color-danger);
  color: white;
}

.btn-danger:hover, .btn-danger:active {
  background: #d45a5a;
}

.btn-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--color-text);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: background 0.2s;
}

.btn-icon:hover, .btn-icon:active {
  background: var(--color-bg-light);
}

.btn-icon-light {
  color: var(--color-text);
}

.btn-icon-light:hover, .btn-icon-light:active {
  background: rgba(255, 255, 255, 0.1);
}

.btn-quick {
  background: var(--color-bg-card);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-dim);
  padding: var(--space-sm) var(--space-md);
  font-size: 1rem;
  min-width: 60px;
}

.btn-quick:hover, .btn-quick:active {
  background: var(--color-primary-dark);
  border-color: var(--color-accent);
}

.btn-session {
  width: 100%;
  padding: var(--space-lg);
  font-size: 1.2rem;
  background: linear-gradient(135deg, var(--color-primary) 0%, #7a2030 100%);
  color: var(--color-text);
  border: 2px solid var(--color-accent-dim);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-glow);
}

.btn-session:hover, .btn-session:active {
  border-color: var(--color-accent);
  transform: scale(1.02);
}

.session-icon {
  color: var(--color-accent);
}

/* ========================================
   Header
   ======================================== */

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-bg-light);
  position: sticky;
  top: 0;
  z-index: 10;
}

.header h1 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--color-text);
}

.session-header {
  background: var(--color-primary-dark);
  justify-content: center;
}

/* ========================================
   Welcome Banner
   ======================================== */

.welcome-banner {
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(90deg, var(--color-bg-card) 0%, var(--color-bg) 100%);
  border-bottom: 1px solid var(--color-bg-light);
}

.welcome-banner span {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-accent);
}

/* ========================================
   Preliminaries Grid
   ======================================== */

.preliminaries-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  padding: var(--space-lg);
  flex: 1;
}

@media (min-width: 500px) {
  .preliminaries-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.preliminary-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.preliminary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-accent);
  opacity: 0;
  transition: opacity 0.2s;
}

.preliminary-card:hover, .preliminary-card:active {
  border-color: var(--color-primary);
  transform: translateX(4px);
}

.preliminary-card:hover::before, .preliminary-card:active::before {
  opacity: 1;
}

.preliminary-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.card-counts {
  display: flex;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.card-personal,
.card-sangha {
  flex: 1;
  text-align: center;
  padding: var(--space-sm);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
}

.card-personal {
  border: 1px solid var(--color-accent-dim);
}

.card-sangha {
  border: 1px solid var(--color-bg-light);
}

.card-label {
  display: block;
  font-size: 0.7rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 2px;
}

.card-personal .card-value {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-accent);
}

.card-sangha .card-value {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
}

.card-progress-label {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-align: center;
  margin-top: var(--space-sm);
}

.preliminary-card .progress-bar {
  height: 4px;
  background: var(--color-bg);
  border-radius: 2px;
  overflow: hidden;
}

.preliminary-card .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 2px;
  transition: width 0.5s ease;
}

.teacher-only {
  margin: var(--space-lg);
}

/* ========================================
   Detail Screen
   ======================================== */

.detail-content {
  padding: var(--space-lg);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.progress-section {
  display: flex;
  justify-content: center;
  padding: var(--space-lg) 0;
}

.progress-ring-container {
  position: relative;
  width: 200px;
  height: 200px;
}

.progress-ring {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.progress-ring-bg {
  fill: none;
  stroke: var(--color-bg-light);
  stroke-width: 8;
}

.progress-ring-fill {
  fill: none;
  stroke: url(#progress-gradient);
  stroke-width: 8;
  stroke-linecap: round;
  stroke-dasharray: 339.292;
  stroke-dashoffset: 339.292;
  transition: stroke-dashoffset 0.5s ease;
}

.progress-text {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.progress-text span:first-child {
  font-size: 2.5rem;
  font-weight: 600;
  color: var(--color-accent);
  line-height: 1;
}

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

.detail-description {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-muted);
  text-align: center;
  line-height: 1.6;
  font-style: italic;
}

.method-section {
  text-align: center;
}

.method-label {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.or-divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
}

.or-divider::before,
.or-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-bg-light);
}

.or-divider span {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.quick-add-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  flex-wrap: wrap;
}

.custom-add {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-width: 280px;
  margin: 0 auto;
}

.custom-add input {
  width: 100%;
  padding: var(--space-md);
  font-size: 1.1rem;
  border: 1px solid var(--color-bg-light);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  color: var(--color-text);
  text-align: center;
}

.custom-add .btn {
  width: 100%;
}

.custom-add input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-bg-light), transparent);
  margin: var(--space-md) 0;
}

/* ========================================
   Activity Log
   ======================================== */

.activity-section {
  margin-top: var(--space-md);
}

.activity-section h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.activity-log {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  max-height: 200px;
  overflow-y: auto;
}

.activity-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  background: var(--color-bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-bg-light);
}

.activity-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.activity-count {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent);
}

.activity-date {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.activity-delete {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-danger);
  color: var(--color-danger);
  font-size: 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  opacity: 0.7;
}

.activity-delete:hover, .activity-delete:active {
  background: var(--color-danger);
  color: white;
  opacity: 1;
}

.activity-empty {
  text-align: center;
  color: var(--color-text-dim);
  font-size: 0.9rem;
  padding: var(--space-lg);
}

/* ========================================
   Session Screen
   ======================================== */

.session-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  gap: var(--space-xl);
}

.session-counter {
  font-size: 6rem;
  font-weight: 700;
  color: var(--color-accent);
  text-shadow: 0 0 40px rgba(212, 168, 83, 0.4);
  line-height: 1;
}

@media (min-width: 400px) {
  .session-counter {
    font-size: 8rem;
  }
}

.count-button {
  width: 200px;
  height: 200px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle at 30% 30%, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
  border: 4px solid var(--color-accent);
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow:
    0 10px 40px rgba(139, 38, 53, 0.5),
    inset 0 2px 20px rgba(255, 255, 255, 0.1);
  -webkit-tap-highlight-color: transparent;
}

.count-button:active {
  transform: scale(0.95);
  box-shadow:
    0 5px 20px rgba(139, 38, 53, 0.5),
    inset 0 2px 20px rgba(0, 0, 0, 0.2);
}

.count-button-inner {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.1em;
}

.session-controls {
  display: flex;
  gap: var(--space-md);
  width: 100%;
  max-width: 320px;
}

.session-controls .btn {
  flex: 1;
}

/* ========================================
   Teacher Dashboard
   ======================================== */

.teacher-content {
  padding: var(--space-lg);
  flex: 1;
}

.sangha-totals-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.sangha-total-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.sangha-total-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
}

.sangha-total-card .total {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent);
}

.sangha-total-card .target-info {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

.sangha-total-card .progress-bar {
  height: 6px;
  background: var(--color-bg);
  border-radius: 3px;
  margin-top: var(--space-md);
  overflow: hidden;
}

.sangha-total-card .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
  border-radius: 3px;
  transition: width 0.5s ease;
}

/* Leaderboard */
.leaderboard {
  margin-top: var(--space-md);
  border-top: 1px solid var(--color-bg-light);
  padding-top: var(--space-md);
}

.leaderboard-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

.leaderboard-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.leaderboard-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-sm);
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.leaderboard-rank {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-bg-light);
  color: var(--color-text-muted);
  margin-right: var(--space-sm);
}

.leaderboard-item:nth-child(1) .leaderboard-rank {
  background: var(--color-accent);
  color: var(--color-bg-deep);
}

.leaderboard-item:nth-child(2) .leaderboard-rank {
  background: #a8a8a8;
  color: var(--color-bg-deep);
}

.leaderboard-item:nth-child(3) .leaderboard-rank {
  background: #cd7f32;
  color: var(--color-bg-deep);
}

.leaderboard-name {
  flex: 1;
  font-size: 0.9rem;
  color: var(--color-text);
}

.leaderboard-count {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-accent);
}

/* ========================================
   Modal
   ======================================== */

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  z-index: 100;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--color-bg);
  border: 1px solid var(--color-bg-light);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 320px;
  width: 100%;
  text-align: center;
}

.modal-content p {
  font-size: 1.1rem;
  margin-bottom: var(--space-xl);
  color: var(--color-text);
}

.modal-buttons {
  display: flex;
  gap: var(--space-md);
}

.modal-buttons .btn {
  flex: 1;
}

/* Error Modal */
.error-modal-content {
  max-width: 340px;
}

.error-icon {
  font-size: 3rem;
  color: var(--color-danger);
  margin-bottom: var(--space-md);
}

.error-modal-content h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.error-description {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.error-description strong {
  color: var(--color-text);
  display: block;
  margin-top: var(--space-sm);
}

.error-count-display {
  background: var(--color-bg-deep);
  border: 2px solid var(--color-danger);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.error-count-display #error-count {
  display: block;
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.error-count-display #error-preliminary {
  font-size: 1rem;
  color: var(--color-text-muted);
}

.error-note {
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.error-modal-content .btn {
  width: 100%;
}

/* ========================================
   Loading
   ======================================== */

.loading-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(26, 10, 11, 0.9);
  z-index: 200;
  align-items: center;
  justify-content: center;
}

.loading-overlay.active {
  display: flex;
}

.loading-spinner {
  font-size: 4rem;
  color: var(--color-accent);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ========================================
   Utilities
   ======================================== */

.hidden {
  display: none !important;
}

/* Safe area for notched phones */
@supports (padding-top: env(safe-area-inset-top)) {
  .header {
    padding-top: calc(var(--space-md) + env(safe-area-inset-top));
  }

  .session-controls {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* SVG Gradient for progress ring */
svg defs {
  display: block;
}