/* ==========================================================================
   JungWon Roadview & Sketch Map Studio - Premium Agency Design System
   ========================================================================== */

:root {
  --bg-primary: #060913;
  --bg-secondary: #0c1222;
  --bg-card: rgba(16, 24, 44, 0.75);
  --bg-card-hover: rgba(22, 34, 62, 0.85);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 240, 255, 0.3);
  
  --color-cyan: #00f0ff;
  --color-gold: #ffe600;
  --color-blue: #3b82f6;
  --color-emerald: #10b981;
  --color-purple: #a855f7;
  --color-rose: #f43f5e;
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --font-sans: 'Pretendard', 'Inter', -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;
  --font-display: 'Outfit', 'Pretendard', sans-serif;
  
  --shadow-glow: 0 0 25px rgba(0, 240, 255, 0.15);
  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.6);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(0, 240, 255, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 85% 75%, rgba(255, 230, 0, 0.03) 0%, transparent 40%),
    linear-gradient(to bottom, #060913, #0a0f1d);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  background: rgba(10, 15, 29, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.brand-badge {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 0.35rem;
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #fff;
}

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

.gradient-text {
  background: linear-gradient(135deg, #00f0ff 0%, #3b82f6 50%, #ffe600 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.83rem;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.preset-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.35rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.preset-label {
  font-size: 0.8rem;
  color: var(--text-dim);
  padding: 0 0.5rem;
  font-weight: 600;
}

.preset-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.preset-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
}

.preset-btn.active {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(59, 130, 246, 0.25));
  color: var(--color-cyan);
  border: 1px solid rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
}

.search-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.35rem 0.5rem 0.35rem 0.85rem;
  transition: all var(--transition-fast);
  min-width: 270px;
}

.search-box:focus-within {
  border-color: var(--color-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
  background: rgba(255, 255, 255, 0.08);
}

.search-icon {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-right: 0.5rem;
}

.search-box input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 0.84rem;
  font-family: var(--font-sans);
  width: 100%;
}

.search-box input::placeholder {
  color: var(--text-dim);
}

.btn-search {
  background: var(--color-cyan);
  border: none;
  color: #040812;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.75rem;
  transition: all var(--transition-fast);
}

.btn-search:hover {
  transform: scale(1.05);
  background: #fff;
}

/* ==========================================================================
   Navigation Tabs
   ========================================================================== */

.view-tabs {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.85rem 1.5rem;
  background: rgba(14, 21, 38, 0.6);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: 9999px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
}

.tab-btn.active {
  background: linear-gradient(135deg, #00f0ff, #3b82f6);
  color: #040711;
  font-weight: 700;
  border-color: transparent;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

/* ==========================================================================
   Main Containers & Tab Content
   ========================================================================== */

.main-container {
  max-width: 1540px;
  margin: 1.5rem auto;
  padding: 0 1.5rem 3rem 1.5rem;
}

.tab-content {
  display: none;
  animation: fadeIn 0.35s ease;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   TAB 1: 360 Street View Panorama
   ========================================================================== */

.roadview-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.panorama-canvas {
  width: 100%;
  height: 640px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 240, 255, 0.25);
  box-shadow: var(--shadow-card), 0 0 35px rgba(0, 240, 255, 0.12);
  background: #020408;
  cursor: grab;
}

.panorama-canvas:active {
  cursor: grabbing;
}

.panorama-canvas canvas {
  width: 100% !important;
  height: 100% !important;
  display: block;
}

/* HUD Overlay */
.panorama-hud {
  position: absolute;
  top: 1.25rem;
  left: 1.5rem;
  background: rgba(8, 14, 27, 0.78);
  backdrop-filter: blur(12px);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  pointer-events: none;
  z-index: 10;
}

.hud-location-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.hud-location-name::before {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-cyan);
  box-shadow: 0 0 10px var(--color-cyan);
  display: inline-block;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hud-coords {
  font-size: 0.78rem;
  color: var(--color-cyan);
  font-family: monospace;
  margin-top: 0.2rem;
}

/* Compass */
.compass-widget {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: rgba(8, 14, 27, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 240, 255, 0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}

.compass-needle {
  width: 4px;
  height: 24px;
  background: linear-gradient(to bottom, #f43f5e 50%, #94a3b8 50%);
  border-radius: 2px;
  transition: transform 0.1s linear;
}

.compass-text {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--color-cyan);
  margin-top: 2px;
}

/* Controls Bar */
.panorama-controls {
  position: absolute;
  bottom: 1.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 0.5rem;
  background: rgba(8, 14, 27, 0.85);
  backdrop-filter: blur(14px);
  padding: 0.45rem 0.65rem;
  border-radius: 9999px;
  border: 1px solid var(--border-subtle);
  z-index: 10;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
}

.hud-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.5rem 0.85rem;
  border-radius: 9999px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  transition: all var(--transition-fast);
}

.hud-btn:hover {
  background: rgba(0, 240, 255, 0.2);
  color: var(--color-cyan);
  border-color: rgba(0, 240, 255, 0.4);
}

.hud-btn.active {
  background: var(--color-cyan);
  color: #040812;
}

/* Custom Upload Button */
.custom-upload-badge {
  position: absolute;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 10;
}

.upload-label {
  background: rgba(8, 14, 27, 0.85);
  backdrop-filter: blur(12px);
  border: 1px dashed rgba(0, 240, 255, 0.5);
  color: var(--color-cyan);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.upload-label:hover {
  background: rgba(0, 240, 255, 0.15);
  border-style: solid;
}

/* Minimap Radar */
.minimap-overlay {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 170px;
  height: 170px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 240, 255, 0.4);
  overflow: hidden;
  z-index: 10;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
  background: #0b1120;
}

#miniMapLeaflet {
  width: 100%;
  height: 100%;
}

.radar-cone {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 70px;
  height: 70px;
  transform: translate(-50%, -50%);
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(0, 240, 255, 0.4) 0%, transparent 60%);
  border-top: 2px solid var(--color-cyan);
  border-radius: 50%;
  opacity: 0.8;
  transition: transform 0.1s linear;
}

/* Commercial Portal Quick Links */
.commercial-links-panel {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.panel-header h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.badge-live {
  font-size: 0.68rem;
  font-weight: 800;
  color: var(--color-emerald);
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 0.2rem 0.5rem;
  border-radius: 9999px;
}

.links-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1rem;
}

.ext-btn {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1.1rem;
  text-decoration: none;
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.ext-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.ext-btn.kakao:hover {
  border-color: #fee500;
  box-shadow: 0 4px 15px rgba(254, 229, 0, 0.15);
}

.ext-btn.naver:hover {
  border-color: #03c75a;
  box-shadow: 0 4px 15px rgba(3, 199, 90, 0.15);
}

.ext-btn.google:hover {
  border-color: #4285f4;
  box-shadow: 0 4px 15px rgba(66, 133, 244, 0.15);
}

.icon-kakao {
  width: 36px;
  height: 36px;
  background: #fee500;
  color: #191919;
  font-weight: 900;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.icon-naver {
  width: 36px;
  height: 36px;
  background: #03c75a;
  color: #fff;
  font-weight: 900;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.ext-btn.google i {
  font-size: 1.8rem;
  color: #4285f4;
}

.ext-btn div {
  flex: 1;
}

.ext-btn strong {
  display: block;
  font-size: 0.92rem;
  color: #fff;
}

.ext-btn small {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.ext-btn i.fa-chevron-right {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* ==========================================================================
   TAB 2: Interactive Real Map
   ========================================================================== */

.map-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 1.5rem;
}

.map-view-box {
  height: 660px;
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card);
}

#mainMap {
  width: 100%;
  height: 100%;
}

.map-layer-switch {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: rgba(10, 16, 31, 0.88);
  backdrop-filter: blur(12px);
  padding: 0.3rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  display: flex;
  gap: 0.35rem;
  z-index: 1000;
}

.layer-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.layer-btn.active {
  background: var(--color-cyan);
  color: #040812;
  font-weight: 700;
}

/* Map Sidebar */
.map-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  box-shadow: var(--shadow-card);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.text-cyan { color: var(--color-cyan); }
.text-gold { color: var(--color-gold); }

.route-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  text-align: center;
}

.stat-num {
  display: block;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-cyan);
}

.stat-label {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-top: 0.15rem;
}

.route-steps-timeline {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  position: relative;
}

.route-steps-timeline::before {
  content: '';
  position: absolute;
  top: 15px;
  bottom: 25px;
  left: 17px;
  width: 2px;
  background: rgba(255, 255, 255, 0.1);
}

.step-item {
  display: flex;
  gap: 0.9rem;
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #111a30;
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--text-muted);
}

.step-item.active .step-icon {
  background: rgba(0, 240, 255, 0.15);
  border-color: var(--color-cyan);
  color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.step-item.arrive .step-icon {
  background: rgba(255, 230, 0, 0.15);
  border-color: var(--color-gold);
  color: var(--color-gold);
  box-shadow: 0 0 10px rgba(255, 230, 0, 0.3);
}

.step-content strong {
  font-size: 0.88rem;
  color: #fff;
  display: block;
}

.step-content p {
  font-size: 0.77rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.quick-action-box {
  display: flex;
  gap: 0.75rem;
}

.action-btn {
  flex: 1;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

.action-btn.highlight {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(59, 130, 246, 0.3));
  border-color: var(--color-cyan);
  color: var(--color-cyan);
}

/* ==========================================================================
   TAB 3: Graphic Sketch Map Card Editor & HD Export
   ========================================================================== */

.sketch-layout {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 2rem;
}

.sketch-preview-area {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.preview-tag {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.theme-selector {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.theme-selector span {
  font-size: 0.75rem;
  color: var(--text-dim);
  padding-left: 0.4rem;
}

.theme-pill {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.3rem 0.65rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-pill.active {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* The Sketch Card (Render Canvas Target) */
.sketch-card {
  border-radius: var(--radius-lg);
  padding: 2.2rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  position: relative;
  transition: all var(--transition-smooth);
}

/* Theme: Dark Glass */
.sketch-card.theme-dark {
  background: linear-gradient(145deg, #0f172a 0%, #070d1a 100%);
  border: 1.5px solid rgba(0, 240, 255, 0.25);
  color: #fff;
}

/* Theme: Clean White */
.sketch-card.theme-white {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  color: #0f172a;
}
.sketch-card.theme-white .badge-agency {
  background: #f1f5f9;
  color: #0284c7;
  border-color: #cbd5e1;
}
.sketch-card.theme-white .card-main-title { color: #0f172a; }
.sketch-card.theme-white .card-subtitle { color: #64748b; }
.sketch-card.theme-white .sketch-diagram { background: #f8fafc; border-color: #e2e8f0; }
.sketch-card.theme-white .path-line { background: #94a3b8; }
.sketch-card.theme-white .path-distance-tag { background: #ffffff; color: #0284c7; border-color: #cbd5e1; }
.sketch-card.theme-white .path-landmark { color: #64748b; }
.sketch-card.theme-white .detail-col { background: #ffffff; border-color: #e2e8f0; }
.sketch-card.theme-white .detail-label { color: #64748b; }
.sketch-card.theme-white .detail-val { color: #0f172a; }
.sketch-card.theme-white .detail-sub { color: #94a3b8; }
.sketch-card.theme-white .sketch-card-footer { border-color: #e2e8f0; color: #64748b; }

/* Theme: Cyber Gold */
.sketch-card.theme-gold {
  background: linear-gradient(145deg, #18150c 0%, #0c0b06 100%);
  border: 1.5px solid rgba(255, 230, 0, 0.35);
  color: #fff;
}
.sketch-card.theme-gold .badge-agency {
  background: rgba(255, 230, 0, 0.12);
  color: #ffe600;
  border-color: rgba(255, 230, 0, 0.3);
}
.sketch-card.theme-gold .card-main-title { color: #ffe600; }
.sketch-card.theme-gold .path-distance-tag { color: #ffe600; border-color: rgba(255, 230, 0, 0.3); }

/* Theme: Electric Blue */
.sketch-card.theme-blue {
  background: linear-gradient(145deg, #0b1c38 0%, #061124 100%);
  border: 1.5px solid rgba(59, 130, 246, 0.35);
  color: #fff;
}
.sketch-card.theme-blue .badge-agency {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border-color: rgba(59, 130, 246, 0.3);
}

/* Card Elements */
.badge-agency {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--color-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  display: inline-block;
  margin-bottom: 0.5rem;
  border: 1px solid rgba(0, 240, 255, 0.25);
}

.card-main-title {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
}

.card-subtitle {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
}

/* Diagram Section */
.sketch-diagram {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  margin-bottom: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}

.diagram-node {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.subway-badge-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #3cb44a; /* Line 2 Green default */
  color: #fff;
  font-weight: 900;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(60, 180, 74, 0.4);
}

.dest-badge-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, #00f0ff, #3b82f6);
  color: #040812;
  font-size: 1.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
}

.node-info strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
}

.walk-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-cyan);
  background: rgba(0, 240, 255, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-top: 0.25rem;
}

.floor-badge {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--color-gold);
  background: rgba(255, 230, 0, 0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  margin-top: 0.25rem;
}

.diagram-path {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.path-line {
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, #3cb44a, #00f0ff);
  border-radius: 2px;
  position: relative;
}

.path-line::after {
  content: '';
  position: absolute;
  right: -2px;
  top: -5px;
  border-left: 8px solid #00f0ff;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
}

.path-distance-tag {
  background: rgba(10, 16, 31, 0.9);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--color-cyan);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  margin-top: 0.5rem;
}

.path-landmark {
  font-size: 0.73rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
}

/* Details Grid */
.sketch-details-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 130px;
  gap: 1.2rem;
  margin-bottom: 1.6rem;
}

.detail-col {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1rem;
}

.detail-label {
  font-size: 0.74rem;
  font-weight: 700;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.detail-val {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.4;
}

.detail-sub {
  font-size: 0.74rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

.qr-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.65rem;
  text-align: center;
}

.card-qr-box {
  width: 75px;
  height: 75px;
  background: #fff;
  padding: 4px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-qr-box img, .card-qr-box canvas {
  width: 100% !important;
  height: 100% !important;
}

.qr-desc {
  font-size: 0.65rem;
  color: var(--text-dim);
  margin-top: 0.35rem;
  line-height: 1.2;
}

/* Card Footer */
.sketch-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Export Buttons Bar */
.export-actions-bar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.export-btn {
  padding: 0.8rem 1.25rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.export-btn.primary {
  background: linear-gradient(135deg, #00f0ff, #3b82f6);
  border: none;
  color: #040812;
  box-shadow: 0 4px 15px rgba(0, 240, 255, 0.3);
}

.export-btn.primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 240, 255, 0.45);
}

.export-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}

.export-btn.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

/* Controls Panel */
.sketch-controls-panel .controls-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
}

.controls-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.6rem 0.8rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--color-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
}

.form-group select option {
  background: #0d1527;
  color: #fff;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.btn-apply-full {
  width: 100%;
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(59, 130, 246, 0.25));
  border: 1px solid rgba(0, 240, 255, 0.4);
  color: var(--color-cyan);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  margin-top: 0.5rem;
}

.btn-apply-full:hover {
  background: var(--color-cyan);
  color: #040812;
}

/* ==========================================================================
   TAB 4: Smart Directions & Mobile Navigation
   ========================================================================== */

.directions-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
}

.section-title-box {
  margin-bottom: 1.5rem;
}

.section-title-box h3 {
  font-size: 1.25rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-title-box p {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

.nav-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  margin-bottom: 1.8rem;
}

.nav-app-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  text-decoration: none;
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.nav-app-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.nav-app-header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  margin-bottom: 0.85rem;
}

.nav-app-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1.2rem;
}

.kakao-bg { background: #fee500; color: #191919; }
.naver-bg { background: #03c75a; color: #fff; }
.tmap-bg { background: #ec2244; color: #fff; }
.google-bg { background: #4285f4; color: #fff; }

.nav-app-card h4 {
  font-size: 1.02rem;
  font-weight: 700;
}

.nav-app-card small {
  font-size: 0.75rem;
  color: var(--text-dim);
}

.nav-app-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  flex: 1;
}

.nav-app-btn {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 0.75rem;
  border-top: 1px solid var(--border-subtle);
}

/* GPS Calc Card */
.gps-calc-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.gps-header {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.gps-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.3);
  color: var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.gps-header div {
  flex: 1;
}

.gps-header h4 {
  font-size: 0.96rem;
  font-weight: 700;
}

.gps-header p {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.btn-gps {
  background: linear-gradient(135deg, rgba(0, 240, 255, 0.2), rgba(59, 130, 246, 0.3));
  border: 1px solid var(--color-cyan);
  color: var(--color-cyan);
  padding: 0.6rem 1.1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.btn-gps:hover {
  background: var(--color-cyan);
  color: #040812;
}

.gps-result-box {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-subtle);
}

.gps-result-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.gps-result-item {
  background: rgba(0, 240, 255, 0.1);
  border: 1px solid rgba(0, 240, 255, 0.25);
  color: var(--color-cyan);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: 9999px;
}

/* QR Launcher Panel */
.qr-launcher-container .qr-box-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.6rem;
  text-align: center;
}

.qr-box-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}

.qr-box-card p {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 1.4rem;
}

.qr-display-frame {
  width: 200px;
  height: 200px;
  margin: 0 auto 1.4rem auto;
  background: #fff;
  padding: 12px;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-display-frame img, .qr-display-frame canvas {
  width: 100% !important;
  height: 100% !important;
}

.qr-target-selector {
  display: flex;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.3rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
}

.qr-tab {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.45rem 0.25rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.qr-tab.active {
  background: rgba(0, 240, 255, 0.2);
  color: var(--color-cyan);
  font-weight: 700;
}

.address-copy-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.copy-pill {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  padding: 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.copy-pill:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  transform: translateY(-2px);
}

/* ==========================================================================
   Toast Notification
   ========================================================================== */

.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  pointer-events: none;
}

.toast {
  background: rgba(10, 16, 31, 0.95);
  backdrop-filter: blur(16px);
  border: 1px solid var(--color-cyan);
  color: #fff;
  padding: 0.9rem 1.4rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(0, 240, 255, 0.25);
  font-size: 0.86rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  pointer-events: auto;
  animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */

@media (max-width: 1100px) {
  .map-layout, .sketch-layout, .directions-layout {
    grid-template-columns: 1fr;
  }
  .sketch-diagram {
    flex-direction: column;
    align-items: stretch;
  }
  .diagram-path {
    margin: 1.2rem 0;
  }
  .sketch-details-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-header {
    padding: 1rem;
    flex-direction: column;
    align-items: stretch;
  }
  .header-right {
    flex-direction: column;
    align-items: stretch;
  }
  .preset-group {
    justify-content: stretch;
  }
  .preset-btn {
    flex: 1;
    justify-content: center;
  }
  .search-box {
    min-width: 100%;
  }
  .panorama-canvas {
    height: 480px;
  }
  .map-view-box {
    height: 480px;
  }
}