/* ========================================
   QAQC System — Professional Dark Theme
   Construction QA/QC Checklist PWA
   ======================================== */

:root {
  --bg-primary: #1a1a2e;
  --bg-secondary: #16213e;
  --bg-card: #0f3460;
  --bg-card-hover: #1a4a7a;
  --accent: #E8751A;
  --accent-hover: #d4650f;
  --accent-light: rgba(232, 117, 26, 0.15);
  --text-primary: #e0e0e0;
  --text-secondary: #a0a0b0;
  --text-muted: #6b7280;
  --success: #4CAF50;
  --warning: #FFC107;
  --danger: #f44336;
  --info: #2196F3;
  --border: #2a2a4a;
  --border-light: #3a3a5a;
  --sidebar-width: 240px;
  --header-height: 56px;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.4);
  --transition: all 0.2s ease;
}

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

html { font-size: 15px; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  touch-action: manipulation;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ===== LAYOUT ===== */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: transform 0.3s ease;
}

.sidebar-brand {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-brand .logo-icon {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  color: #fff;
}

.sidebar-brand .logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
}

.sidebar-brand .logo-sub {
  font-size: 11px;
  color: var(--text-muted);
  display: block;
  margin-top: -2px;
}

.sidebar-header {
  padding: 16px 16px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.version-badge {
  font-size: 10px;
  font-weight: 500;
  color: var(--accent);
  background: rgba(232, 117, 26, 0.15);
  padding: 1px 6px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}

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

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
  overflow-y: auto;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
  border-left: 3px solid transparent;
  font-size: 14px;
}

.nav-item:hover {
  background: rgba(255,255,255,0.05);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--accent-light);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

.nav-item .nav-icon { font-size: 18px; width: 24px; text-align: center; }
.nav-item .sync-indicator { margin-left: auto; font-size: 12px; }

.sidebar-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
}

.sidebar-footer .nav-item { padding: 8px 0; border-left: none; }
.sidebar-footer .nav-item:hover { background: none; }

.sidebar-user {
  padding: 8px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.user-name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.user-role {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.sync-status {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 20px;
  font-size: 11px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

/* Main Content */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  padding: 24px 32px;
  min-height: 100vh;
}

.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.page-header h1 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
}

.page-header .subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hamburger button (mobile) */
.hamburger {
  display: none;
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 20px;
  align-items: center;
  justify-content: center;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 99;
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
}

.card:hover { border-color: var(--border-light); }

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.card-title { font-size: 16px; font-weight: 600; }

/* ===== STAT CARDS ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-card .stat-change {
  font-size: 12px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card .stat-change.up { color: var(--success); }
.stat-card .stat-change.down { color: var(--danger); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover { background: var(--border-light); }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { opacity: 0.9; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.9; }

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-lg { padding: 12px 24px; font-size: 16px; }
.btn-icon { padding: 8px; min-width: 36px; justify-content: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== FORMS ===== */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-control::placeholder { color: var(--text-muted); }

textarea.form-control {
  min-height: 80px;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
  appearance: auto;
}

.form-error {
  color: var(--danger);
  font-size: 12px;
  margin-top: 4px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ===== BADGES ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Severity */
.badge-critical { background: rgba(244,67,54,0.2); color: var(--danger); }
.badge-major { background: rgba(232,117,26,0.2); color: var(--accent); }
.badge-minor { background: rgba(255,193,7,0.2); color: var(--warning); }
.badge-observation { background: rgba(33,150,243,0.2); color: var(--info); }

/* Status */
.badge-open { background: rgba(244,67,54,0.2); color: var(--danger); }
.badge-acknowledged { background: rgba(232,117,26,0.2); color: var(--accent); }
.badge-in_progress { background: rgba(33,150,243,0.2); color: var(--info); }
.badge-rectified { background: rgba(255,193,7,0.2); color: var(--warning); }
.badge-verified { background: rgba(76,175,80,0.2); color: var(--success); }
.badge-closed { background: rgba(107,114,128,0.3); color: var(--text-muted); }

/* Role */
.badge-admin { background: rgba(156,39,176,0.2); color: #CE93D8; }
.badge-maincon { background: rgba(76,175,80,0.2); color: var(--success); }
.badge-subcon { background: rgba(232,117,26,0.2); color: var(--accent); }

/* Result */
.badge-pass { background: rgba(76,175,80,0.2); color: var(--success); }
.badge-fail { background: rgba(244,67,54,0.2); color: var(--danger); }
.badge-na { background: rgba(107,114,128,0.3); color: var(--text-muted); }

/* ===== TABLES ===== */
.table-container {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  background: var(--bg-primary);
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}

tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

tbody tr:hover { background: rgba(255,255,255,0.03); }
tbody tr:last-child td { border-bottom: none; }

.table-clickable tbody tr { cursor: pointer; }

/* ===== MODAL ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(4px);
}

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

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.2s ease;
}

.modal-lg { max-width: 720px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 { font-size: 18px; font-weight: 600; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 4px;
}
.modal-close:hover { color: var(--text-primary); }

.modal-body { padding: 20px; }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

@keyframes modalSlideIn {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* ===== TOAST ===== */
.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  min-width: 280px;
  max-width: 420px;
  animation: toastSlideIn 0.3s ease;
  font-size: 14px;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast.warning { border-left-color: var(--warning); }
.toast.info { border-left-color: var(--info); }

.toast-close {
  margin-left: auto;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 16px;
}

@keyframes toastSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ===== ACTIVITY TIMELINE ===== */
.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--border);
}

.timeline-item {
  position: relative;
  padding-bottom: 20px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: -22px;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg-secondary);
}

.timeline-dot.created { background: var(--info); }
.timeline-dot.acknowledged { background: var(--accent); }
.timeline-dot.in_progress { background: var(--warning); }
.timeline-dot.rectified { background: var(--info); }
.timeline-dot.verified { background: var(--success); }
.timeline-dot.closed { background: var(--text-muted); }

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
}

.timeline-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.timeline-user { font-weight: 600; font-size: 14px; }
.timeline-date { font-size: 12px; color: var(--text-muted); }
.timeline-action { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.timeline-notes { font-size: 13px; margin-top: 6px; padding: 8px; background: var(--bg-primary); border-radius: var(--radius-sm); }
.timeline-photos { display: flex; gap: 8px; margin-top: 8px; flex-wrap: wrap; }
.timeline-photos img { width: 80px; height: 80px; object-fit: cover; border-radius: 4px; cursor: pointer; }

/* ===== GRID ===== */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }

/* ===== KANBAN ===== */
.kanban {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.kanban-column {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px;
  min-height: 200px;
}

.kanban-column-header {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
  display: flex;
  justify-content: space-between;
}

.kanban-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.kanban-card:hover { border-color: var(--accent); }

.kanban-card .card-title { font-size: 13px; font-weight: 500; margin-bottom: 4px; }
.kanban-card .card-meta { font-size: 11px; color: var(--text-muted); }

/* ===== SEARCH / FILTERS ===== */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.search-input {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-input input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
}

.search-input input:focus { border-color: var(--accent); }

.search-input .search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

.filter-select {
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.filter-select:focus { border-color: var(--accent); }

/* ===== PROGRESS BAR ===== */
.progress-bar {
  height: 6px;
  background: var(--bg-primary);
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar .progress-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-fill.success { background: var(--success); }
.progress-fill.warning { background: var(--warning); }
.progress-fill.danger { background: var(--danger); }

/* ===== LOADING ===== */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ===== EMPTY STATE ===== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 18px; margin-bottom: 8px; color: var(--text-secondary); }
.empty-state p { font-size: 14px; }

/* ===== LOGIN PAGE ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: var(--shadow-lg);
}

.login-card .logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-card .logo-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 22px;
  color: #fff;
  margin-bottom: 12px;
}

.login-card .logo-text {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
}

.login-card .logo-sub {
  font-size: 13px;
  color: var(--text-muted);
}

.login-card .form-group:last-child { margin-bottom: 0; }
.login-card .form-actions { border-top: none; padding-top: 0; margin-top: 0; }

/* ===== PHOTO GALLERY ===== */
.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
}

.photo-grid img {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
}

.photo-grid img:hover { transform: scale(1.05); }

/* ===== CHECKLIST ITEM ===== */
.checklist-item-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.checklist-item-row .item-result {
  display: flex;
  gap: 4px;
  flex-shrink: 0;
}

.result-btn {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.result-btn:hover { border-color: var(--accent); }
.result-btn.selected-pass { border-color: var(--success); background: rgba(76,175,80,0.2); }
.result-btn.selected-fail { border-color: var(--danger); background: rgba(244,67,54,0.2); }
.result-btn.selected-na { border-color: var(--text-muted); background: rgba(107,114,128,0.2); }
.result-btn.selected-observation { border-color: var(--info); background: rgba(33,150,243,0.2); }

/* ===== SIGNATURE PAD ===== */
.signature-pad {
  width: 100%;
  height: 150px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  background: #fff;
  cursor: crosshair;
  touch-action: none;
}

/* ===== PLAN VIEWER ===== */
.plan-viewer-page .plan-viewer-layout {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.plan-viewer-page .plan-viewer-main {
  flex: 1;
  min-width: 0;
}

.plan-viewer-container {
  position: relative;
}

.plan-viewer-container img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  display: block;
}

.plan-viewer {
  position: relative;
  display: inline-block;
  max-width: 100%;
}

.plan-viewer img {
  max-width: 100%;
  height: auto;
  cursor: crosshair;
  border-radius: var(--radius);
}

.plan-viewer .pin-marker {
  position: absolute;
  width: 24px;
  height: 32px;
  transform: translate(-50%, -100%);
  cursor: pointer;
  z-index: 10;
  transition: transform 0.15s ease;
}

.plan-viewer .pin-marker:hover {
  transform: translate(-50%, -100%) scale(1.15);
  z-index: 15;
}

.plan-viewer .pin-marker .pin-tooltip {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 4px 8px;
  white-space: nowrap;
  z-index: 20;
  font-size: 12px;
  color: var(--text-primary);
  pointer-events: none;
  box-shadow: var(--shadow);
}

.plan-viewer .pin-marker:hover .pin-tooltip {
  display: block;
}

.plan-viewer .pin-mode-active {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: var(--radius);
}

.temp-pin-marker {
  animation: pulsePin 1s ease-in-out infinite;
}

@keyframes pulsePin {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

.plan-viewer-instruction {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  margin-top: 12px;
  font-size: 14px;
  color: var(--accent);
  font-weight: 500;
}

/* Plan viewer sidebar */
.plan-viewer-sidebar {
  width: 300px;
  flex-shrink: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  max-height: calc(100vh - 180px);
  overflow-y: auto;
  position: sticky;
  top: 80px;
}

.plan-viewer-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
  z-index: 5;
}

.plan-viewer-sidebar-header h3 {
  font-size: 15px;
  font-weight: 600;
}

.plan-viewer-sidebar-header .badge {
  background: var(--accent-light);
  color: var(--accent);
}

.plan-viewer-pins-list {
  padding: 8px;
}

.pin-sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 4px;
}

.pin-sidebar-item:hover {
  background: rgba(255,255,255,0.05);
}

.pin-sidebar-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pin-sidebar-content {
  flex: 1;
  min-width: 0;
}

.pin-sidebar-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.pin-sidebar-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.pin-sidebar-meta .badge {
  font-size: 9px;
  padding: 1px 6px;
}

/* Pin color options */
.pin-color-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pin-color-option {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: #fff;
  border: 2px solid transparent;
  transition: var(--transition);
  opacity: 0.7;
}

.pin-color-option.selected {
  border-color: #fff;
  opacity: 1;
  box-shadow: 0 0 0 2px var(--bg-secondary), 0 0 0 4px currentColor;
}

.pin-color-option:hover {
  opacity: 0.9;
}

/* Pin info popup */
.pin-info-popup {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 320px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  animation: slideUp 0.2s ease;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.pin-info-popup-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 14px;
}

.pin-info-popup-body {
  padding: 12px 16px;
}

.pin-info-popup-body div {
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
}

.pin-info-popup-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
}

/* Plan grid */
.plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.plan-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
}

.plan-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.plan-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  border-bottom: 1px solid var(--border);
}

.plan-card .plan-info {
  padding: 12px;
}

.plan-card .plan-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.plan-card .plan-meta {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Small spinner for buttons */
.spinner-small {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

/* Responsive plan viewer */
@media (max-width: 768px) {
  .plan-viewer-page .plan-viewer-layout {
    flex-direction: column;
  }

  .plan-viewer-sidebar {
    width: 100%;
    max-height: 300px;
    position: static;
  }

  .pin-info-popup {
    left: 12px;
    right: 12px;
    width: auto;
    bottom: 12px;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay.active { display: block; }
  .main-content {
    margin-left: 0;
    padding: 56px 16px 16px;
  }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .kanban { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .filter-bar { flex-direction: column; }
  .search-input { width: 100%; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .modal { padding: 16px; }
}

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-accent { color: var(--accent); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mb-8 { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-16 { margin-bottom: 16px; }

.truncate {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 200px;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-light); }