/* Base Reset & Variables override */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-primary);
  color: var(--color-text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  color: var(--color-text-muted);
}

/* Layout Containers */

/* Student Webview (Max 480px, Centered) */
.student-layout {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  background-color: var(--bg-primary);
  display: flex;
  flex-direction: column;
  position: relative;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.02);
  border-left: 1px solid var(--border-color);
  border-right: 1px solid var(--border-color);
}

.student-content {
  flex: 1;
  padding: 16px;
  padding-bottom: 80px; /* Space for bottom nav */
}

/* Leader Admin Layout (Wide 2-column sidebar) */
.leader-layout {
  display: flex;
  min-height: 100vh;
  background-color: var(--bg-primary);
}

.leader-sidebar {
  width: 260px;
  background-color: var(--bg-surface);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
}

.leader-sidebar-header {
  padding: 24px;
  border-bottom: 1px solid var(--border-color);
}

.leader-logo {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-transform: uppercase;
}

.leader-menu {
  list-style: none;
  padding: 16px 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.leader-menu-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-button);
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.leader-menu-item a:hover {
  background-color: var(--bg-primary);
  color: var(--color-text-main);
}

.leader-menu-item.active a {
  background-color: var(--color-accent);
  color: var(--bg-surface);
}

.leader-sidebar-footer {
  margin-top: auto;
  padding: 16px;
  border-top: 1px solid var(--border-color);
}

.leader-main {
  flex: 1;
  margin-left: 260px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.leader-header {
  height: 70px;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
}

.leader-content-body {
  padding: 32px;
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
}

/* Header & GNB (Student App) */
.app-header {
  position: sticky;
  top: 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  z-index: 900;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.app-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.app-header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Bottom Navigation Bar */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 480px;
  height: 64px;
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 500;
  gap: 4px;
  transition: var(--transition-smooth);
}

.bottom-nav-item:hover {
  color: var(--color-text-main);
}

.bottom-nav-item.active {
  color: var(--color-accent);
  font-weight: 700;
}

.bottom-nav-item i, .bottom-nav-item svg {
  width: 20px;
  height: 20px;
}

/* UI Elements */

/* Cards */
.card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 20px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-flat);
  transition: var(--transition-smooth);
}

.card:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.card-title {
  font-size: 1.1rem;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.card-description {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

/* Active Timeline Highlighting */
.card.active-program {
  border: 2px solid var(--color-accent);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.active-badge {
  background-color: var(--color-accent);
  color: var(--bg-surface);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* Tabs */
.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  gap: 16px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 12px 4px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text-muted);
  cursor: pointer;
  position: relative;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  color: var(--color-text-main);
}

.tab-btn.active {
  color: var(--color-text-main);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-accent);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-black {
  background-color: var(--color-accent);
  color: var(--bg-surface);
  border-color: var(--color-accent);
}

.btn-black:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-text-main);
  border-color: var(--border-color);
}

.btn-outline:hover {
  background-color: var(--bg-primary);
  border-color: var(--color-text-main);
}

.btn-success {
  background-color: var(--color-success);
  color: #fff;
}

.btn-success:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--color-error);
  color: #fff;
}

.btn-danger:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-pending {
  background-color: #fef3c7;
  color: #d97706;
}

.badge-approved {
  background-color: #ecfdf5;
  color: #059669;
}

.badge-rejected {
  background-color: #fef2f2;
  color: #dc2626;
}

/* Form Fields */
.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--color-text-main);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 0.95rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  color: var(--color-text-main);
  transition: var(--transition-smooth);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 2px rgba(0,0,0,0.05);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Login Page specific UI */
.auth-layout {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background-color: var(--bg-primary);
  padding: 24px;
  box-sizing: border-box;
  width: 100%;
}

.login-container {
  width: 100%;
  max-width: 520px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  padding: 40px;
  box-shadow: var(--shadow-flat);
  box-sizing: border-box;
}

.login-logo {
  font-size: 1.8rem;
  font-weight: 900;
  text-align: center;
  margin-bottom: 32px;
  letter-spacing: -0.04em;
  text-transform: uppercase;
}

/* Custom Group Tile Grid for Login */
.group-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 8px;
  margin-bottom: 24px;
}

.group-tile {
  position: relative;
  cursor: pointer;
  display: block;
}

.group-tile input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.group-tile-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  background-color: var(--bg-surface);
  transition: var(--transition-smooth);
}

.group-tile:hover .group-tile-content {
  border-color: var(--color-accent);
}

.group-tile input[type="radio"]:checked + .group-tile-content {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #ffffff;
}

.group-tile input[type="radio"]:checked + .group-tile-content .group-number {
  background-color: #ffffff;
  color: var(--color-accent);
}

.group-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-pill);
  background-color: var(--bg-primary);
  color: var(--color-text-main);
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
  transition: var(--transition-smooth);
}

.group-text {
  font-size: 0.85rem;
  font-weight: 600;
}

/* Radio buttons list for Leader timetable switches */
.radio-tile-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.radio-tile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  background-color: var(--bg-surface);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.radio-tile:hover {
  border-color: var(--color-accent);
}

.radio-tile input[type="radio"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-accent);
}

.radio-tile.checked {
  border-color: var(--color-accent);
  background-color: #fcfcfc;
}

/* Timeline/Schedule styling for users */
.timeline {
  position: relative;
  padding-left: 24px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--border-color);
}

.timeline-event {
  position: relative;
  margin-bottom: 24px;
}

.timeline-badge {
  position: absolute;
  left: -24px;
  top: 4px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--bg-surface);
  border: 2px solid var(--border-color);
}

.timeline-event.active .timeline-badge {
  border-color: var(--color-accent);
  background-color: var(--color-accent);
}

.timeline-body {
  padding-left: 8px;
}

.timeline-time {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

/* Score grid */
.score-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.score-card {
  text-align: center;
  padding: 24px;
}

.score-number {
  font-size: 2.5rem;
  font-weight: 800;
  margin: 12px 0;
}

.score-actions {
  display: flex;
  justify-content: center;
  gap: 8px;
}

/* Accordion helper (Evening gathering lyrics search) */
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 0;
  cursor: pointer;
  border-bottom: 1px solid var(--border-color);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-out;
}

.accordion-content.open {
  max-height: 1000px;
  padding: 16px 0;
}

/* Projector Mode (F11 Fullscreen, Pitch Black, Grayscale high contrast) */
body.projector-body {
  background-color: #000000 !important;
  color: #ffffff !important;
  overflow: hidden;
  height: 100vh;
  width: 100vw;
}

.projector-container {
  display: grid;
  grid-template-columns: 2fr 1.5fr;
  height: 100vh;
  width: 100vw;
  padding: 40px;
  gap: 40px;
  box-sizing: border-box;
}

/* Score Column */
.projector-scores {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 30px;
  border-right: 2px solid #ffffff;
  padding-right: 40px;
}

.projector-title {
  font-size: 2.5rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 900;
  margin-bottom: 20px;
  border-bottom: 4px solid #ffffff;
  padding-bottom: 10px;
}

.projector-score-row {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.projector-score-label {
  font-size: 1.8rem;
  font-weight: 700;
  display: flex;
  justify-content: space-between;
}

.projector-bar-container {
  height: 48px;
  border: 3px solid #ffffff;
  padding: 4px;
  background-color: transparent;
}

.projector-bar-fill {
  height: 100%;
  background-color: #ffffff;
  width: 0%; /* Dynamic fill */
  transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Prayer Wall / Roll Column */
.projector-wall {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

.projector-wall-container {
  flex: 1;
  position: relative;
  overflow: hidden;
  margin-top: 20px;
}

.projector-wall-track {
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: absolute;
  width: 100%;
  top: 0;
  transition: transform 0.5s ease;
}

.projector-card {
  background-color: #000000;
  border: 3px solid #ffffff;
  padding: 32px;
  border-radius: 0; /* Pure square for ultra-minimalist raw vibe */
}

.projector-card-text {
  font-size: 1.8rem;
  font-weight: 600;
  line-height: 1.4;
  word-break: break-all;
}

.projector-card-meta {
  margin-top: 20px;
  text-align: right;
  font-size: 1.25rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Image preview container (Course Activities) */
.image-preview-wrapper {
  margin-top: 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  background-color: var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.image-preview-wrapper img {
  max-width: 100%;
  max-height: 300px;
  object-fit: contain;
}

.image-preview-placeholder {
  padding: 40px;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}