/* ABC Aula Maps - Core Application Styling */
:root {
  --bg-dark: #0b0f17;
  --panel-bg: #141b26;
  --panel-border: #222e40;
  --panel-header: #0f1520;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --card-bg: #1a2332;
  --input-bg: #0d131d;
  --input-border: #2d3c52;
}

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

body {
  font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-main);
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

/* App Header */
.app-header {
  height: 52px;
  background: var(--panel-header);
  border-bottom: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 1000;
  flex-shrink: 0;
}

.brand-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: linear-gradient(135deg, #2563eb, #06b6d4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  box-shadow: 0 2px 12px rgba(37, 99, 235, 0.4);
}

.brand-info h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.3px;
  background: linear-gradient(90deg, #60a5fa, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-info .tagline {
  font-size: 11px;
  color: var(--text-muted);
}

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

.header-btn-group {
  display: flex;
  align-items: center;
  background: var(--card-bg);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 2px;
}

.btn-header {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-header:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

.btn-header.active {
  color: #fff;
  background: var(--primary);
}

.btn-action {
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 7px 14px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn-action:hover {
  background: var(--primary-hover);
}

.btn-action.success {
  background: #059669;
}
.btn-action.success:hover {
  background: #047857;
}

/* App Main Container */
.app-container {
  display: flex;
  flex: 1;
  overflow: hidden;
  position: relative;
}

/* Sidebar Tools */
.sidebar {
  width: 390px;
  background: var(--panel-bg);
  border-right: 1px solid var(--panel-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  z-index: 500;
}

.sidebar-nav {
  display: flex;
  background: var(--panel-header);
  border-bottom: 1px solid var(--panel-border);
  overflow-x: auto;
  scrollbar-width: none;
}
.sidebar-nav::-webkit-scrollbar {
  display: none;
}

.nav-tab {
  flex: 1;
  min-width: 58px;
  padding: 10px 4px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border-bottom: 2px solid transparent;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.nav-tab i {
  font-size: 15px;
}

.nav-tab:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.03);
}

.nav-tab.active {
  color: #38bdf8;
  border-bottom-color: #38bdf8;
  background: rgba(56, 189, 248, 0.08);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.tab-pane {
  display: none;
}

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

/* Panel Sections */
.section-card {
  background: var(--card-bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 16px;
}

.section-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #38bdf8;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.section-title i {
  margin-right: 6px;
}

/* Form Controls */
.form-group {
  margin-bottom: 12px;
}

.form-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
}

.form-control {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--text-main);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 12px;
  transition: border 0.15s;
}

.form-control:focus {
  outline: none;
  border-color: #38bdf8;
}

.form-row {
  display: flex;
  gap: 8px;
}
.form-row > * {
  flex: 1;
}

.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  margin-bottom: 8px;
}

.form-check input[type="checkbox"] {
  cursor: pointer;
  accent-color: var(--primary);
  width: 16px;
  height: 16px;
}

/* Buttons */
.btn-sm {
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 5px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.15s;
}

.btn-secondary {
  background: #334155;
  color: #f1f5f9;
}
.btn-secondary:hover {
  background: #475569;
}

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

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

.btn-danger {
  background: #dc2626;
  color: #fff;
}
.btn-danger:hover {
  background: #b91c1c;
}

/* Basemap Gallery */
.basemap-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.basemap-card {
  background: #0d131d;
  border: 2px solid #2d3c52;
  border-radius: 6px;
  padding: 6px;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
  position: relative;
  overflow: hidden;
}

.basemap-card:hover {
  border-color: #64748b;
  transform: translateY(-1px);
}

.basemap-card.active {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
}

.basemap-thumb {
  width: 100%;
  height: 48px;
  border-radius: 4px;
  margin-bottom: 4px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
}

.basemap-title {
  font-size: 11px;
  font-weight: 600;
  color: #cbd5e1;
}

.basemap-badge {
  position: absolute;
  top: 4px;
  right: 4px;
  background: #0284c7;
  color: #fff;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 3px;
  text-transform: uppercase;
}

/* Coordinate Points Table */
.points-table-container {
  max-height: 220px;
  overflow-y: auto;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  margin-bottom: 10px;
}

.points-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}

.points-table th {
  background: #0d131d;
  padding: 6px 8px;
  text-align: left;
  font-weight: 600;
  color: var(--text-muted);
  border-bottom: 1px solid var(--panel-border);
  position: sticky;
  top: 0;
  z-index: 2;
}

.points-table td {
  padding: 6px 8px;
  border-bottom: 1px solid #1a2433;
  color: #cbd5e1;
}

.points-table tr:hover td {
  background: rgba(255, 255, 255, 0.04);
}

.points-table .pt-id {
  font-weight: 700;
  color: #38bdf8;
}

.points-table .pt-del {
  color: #f87171;
  cursor: pointer;
  text-align: center;
}
.points-table .pt-del:hover {
  color: #ef4444;
}

/* Canvas Area (Work Desk) */
.canvas-viewport {
  flex: 1;
  background: #090d14;
  background-image: radial-gradient(#1c2536 1.5px, transparent 1.5px);
  background-size: 24px 24px;
  overflow: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  position: relative;
}

.canvas-controls {
  position: absolute;
  bottom: 20px;
  right: 20px;
  background: var(--panel-header);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  padding: 4px;
  gap: 4px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  z-index: 100;
}

.canvas-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 13px;
  transition: all 0.15s;
}

.canvas-btn:hover {
  background: var(--card-bg);
  color: var(--text-main);
}

.zoom-indicator {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0 8px;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
}

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

.modal-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 12px;
  width: 680px;
  max-width: 95vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6);
}

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

.modal-header h3 {
  font-size: 15px;
  font-weight: 700;
  color: #38bdf8;
  display: flex;
  align-items: center;
  gap: 8px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}
.modal-close:hover {
  color: #fff;
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 14px 20px;
  border-top: 1px solid var(--panel-border);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  background: var(--panel-header);
}

/* Drag and Drop Zone */
.drop-zone {
  border: 2px dashed #334155;
  border-radius: 8px;
  padding: 24px 16px;
  text-align: center;
  background: rgba(13, 19, 29, 0.7);
  cursor: pointer;
  transition: all 0.2s;
}

.drop-zone:hover, .drop-zone.dragover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.06);
}

.drop-zone i {
  font-size: 32px;
  color: #64748b;
  margin-bottom: 8px;
}

.drop-zone.dragover i {
  color: #38bdf8;
}

.drop-zone h4 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 4px;
}

.drop-zone p {
  font-size: 11px;
  color: var(--text-muted);
}

/* Layer Items */
.layer-item {
  background: #0d131d;
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 8px 10px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.layer-info {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
}

.layer-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* Mouse Coordinate Bar */
.coords-bar {
  position: absolute;
  bottom: 20px;
  left: 20px;
  background: rgba(15, 21, 32, 0.9);
  backdrop-filter: blur(4px);
  border: 1px solid var(--panel-border);
  border-radius: 6px;
  padding: 5px 12px;
  font-family: monospace;
  font-size: 11px;
  color: #94a3b8;
  display: flex;
  gap: 14px;
  z-index: 100;
}

.coords-bar span b {
  color: #38bdf8;
}


/* Template Gallery Grid */
.templates-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.template-card {
  background: #0d131d;
  border: 1.5px solid #263345;
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}

.template-card:hover {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.05);
}

.template-card.active {
  border-color: #38bdf8;
  background: rgba(56, 189, 248, 0.12);
  box-shadow: 0 0 10px rgba(56, 189, 248, 0.2);
}

.template-header {
  font-size: 11.5px;
  font-weight: 700;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 2px;
}

.template-desc {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.3;
}

.template-sheet-tag {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 8.5px;
  font-weight: 700;
  background: #1e293b;
  color: #38bdf8;
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid #334155;
}

/* Active Drawing Button */
.btn-action.active, .btn-sm.active {
  background: #10b981 !important;
  color: #fff !important;
  box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}