/* ============================================================
   제주 EV 리빙랩 — Design System v2
   Concept: "한라산 화산암 × 제주 바다 × 감귤"
   ============================================================ */

/* -------- 1. Design Tokens -------- */
:root {
  /* Brand palette (Jeju-inspired) */
  --jeju-ocean-50:  #ecfeff;
  --jeju-ocean-100: #cffafe;
  --jeju-ocean-200: #a5f3fc;
  --jeju-ocean-400: #22d3ee;
  --jeju-ocean-500: #06b6d4;
  --jeju-ocean-600: #0891b2;
  --jeju-ocean-700: #0e7490;

  --jeju-sky-500:   #0ea5e9;
  --jeju-sky-600:   #0284c7;
  --jeju-sky-700:   #0369a1;

  --jeju-volcanic-700: #1f2937;  /* 화산암 */
  --jeju-volcanic-800: #111827;
  --jeju-volcanic-900: #0b1220;

  --jeju-tangerine-400: #fb923c; /* 감귤 */
  --jeju-tangerine-500: #f97316;
  --jeju-tangerine-600: #ea580c;

  --jeju-leaf-500:  #10b981;     /* 한라산 숲 */
  --jeju-leaf-600:  #059669;

  /* Semantic */
  --color-primary:   var(--jeju-sky-500);
  --color-primary-h: var(--jeju-sky-600);
  --color-accent:    var(--jeju-tangerine-500);
  --color-success:   var(--jeju-leaf-500);
  --color-warning:   #f59e0b;
  --color-danger:    #ef4444;

  /* Surfaces (light) */
  --bg-app:        #f1f5f9;        /* 앱 배경 (회색톤) */
  --bg-shell:      #ffffff;        /* 모바일 쉘 */
  --bg-card:       #ffffff;
  --bg-elevated:   #ffffff;
  --bg-muted:      #f8fafc;
  --bg-hover:      #f1f5f9;

  --border-soft:   #e2e8f0;
  --border-base:   #cbd5e1;
  --border-strong: #94a3b8;

  --text-primary:   #0f172a;
  --text-secondary: #475569;
  --text-tertiary:  #64748b;
  --text-muted:     #94a3b8;
  --text-inverse:   #ffffff;

  /* Elevation */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-sm: 0 2px 6px -1px rgba(15, 23, 42, .06), 0 1px 2px rgba(15, 23, 42, .04);
  --shadow-md: 0 6px 16px -2px rgba(15, 23, 42, .08), 0 2px 4px rgba(15, 23, 42, .04);
  --shadow-lg: 0 14px 32px -8px rgba(15, 23, 42, .14), 0 4px 8px rgba(15, 23, 42, .05);
  --shadow-glow-primary: 0 8px 24px -6px rgba(14, 165, 233, .35);
  --shadow-glow-accent:  0 8px 24px -6px rgba(249, 115, 22, .30);

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-pill: 9999px;

  /* Motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --dur-fast: 140ms;
  --dur-base: 220ms;
  --dur-slow: 380ms;

  /* Layout */
  --shell-max-w: 460px;
  --bottom-nav-h: 64px;
}

/* -------- 2. Base / Typography -------- */
* { -webkit-tap-highlight-color: transparent; }
*, *::before, *::after { box-sizing: border-box; }

html, body {
  font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont,
               'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-feature-settings: 'tnum' 1, 'ss01' 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color: var(--text-primary);
  background: var(--bg-app);
  letter-spacing: -0.01em;
}

body {
  background:
    radial-gradient(1200px 600px at -10% -10%, rgba(14,165,233,.08), transparent 60%),
    radial-gradient(900px 500px at 110% 10%, rgba(249,115,22,.06), transparent 60%),
    var(--bg-app);
}

h1, h2, h3, h4 { letter-spacing: -0.02em; }

/* Pretendard 변경 시 외부 폰트 로드 (CDN, 미설치라도 안전) */
@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/static/pretendard.min.css');

/* -------- 3. Mobile Shell Frame -------- */
.app-shell {
  position: relative;
  max-width: var(--shell-max-w);
  margin: 0 auto;
  min-height: 100vh;
  background: var(--bg-shell);
  box-shadow: 0 0 0 1px rgba(15,23,42,.04), var(--shadow-lg);
  padding-bottom: calc(var(--bottom-nav-h) + 24px);
  overflow: hidden;
}

@media (min-width: 1024px) {
  .app-shell {
    margin: 24px auto;
    border-radius: var(--radius-xl);
    min-height: calc(100vh - 48px);
  }
}

/* -------- 4. Brand Gradient & Hero -------- */
.gradient-jeju {
  background:
    radial-gradient(circle at 20% 0%, rgba(255,255,255,.18) 0%, transparent 40%),
    radial-gradient(circle at 100% 100%, rgba(249,115,22,.25) 0%, transparent 50%),
    linear-gradient(135deg, #0284c7 0%, #06b6d4 45%, #10b981 100%);
}
.gradient-night {
  background:
    radial-gradient(circle at 80% 0%, rgba(34,211,238,.25) 0%, transparent 50%),
    linear-gradient(135deg, #0b1220 0%, #1e3a5f 60%, #075985 100%);
}

.hero-shape {
  position: relative;
  overflow: hidden;
}
.hero-shape::after {
  content: "";
  position: absolute;
  right: -40px; bottom: -60px;
  width: 220px; height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-shape::before {
  content: "";
  position: absolute;
  left: -30px; top: -30px;
  width: 140px; height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.08) 0%, transparent 70%);
  pointer-events: none;
}

/* -------- 5. Cards -------- */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(226, 232, 240, .7);
  transition: transform var(--dur-base) var(--ease-out),
              box-shadow var(--dur-base) var(--ease-out),
              border-color var(--dur-base) var(--ease-out);
}
.card-hover:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(14, 165, 233, .25);
}
.card-elevated {
  box-shadow: var(--shadow-md);
  border-radius: var(--radius-lg);
}
.card-glass {
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border: 1px solid rgba(255,255,255,.6);
}
.card-flat {
  background: var(--bg-muted);
  border: 1px solid var(--border-soft);
  box-shadow: none;
}

/* Quick menu tile - 메뉴 카드용 */
.tile {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  border: 1px solid var(--border-soft);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  text-align: center;
  transition: all var(--dur-base) var(--ease-out);
  overflow: hidden;
}
.tile:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.tile::before {
  content: "";
  position: absolute; inset: auto -20px -20px auto;
  width: 80px; height: 80px;
  border-radius: 50%;
  opacity: .12;
  background: currentColor;
  transition: transform var(--dur-base) var(--ease-out);
}
.tile:hover::before { transform: scale(1.4); }
.tile-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
}
.tile-icon.t-sky    { background: rgba(14,165,233,.12);  color: #0284c7; }
.tile-icon.t-amber  { background: rgba(245,158,11,.14);  color: #b45309; }
.tile-icon.t-emerald{ background: rgba(16,185,129,.14);  color: #047857; }
.tile-icon.t-purple { background: rgba(139,92,246,.14);  color: #6d28d9; }
.tile-icon.t-rose   { background: rgba(244,63,94,.12);   color: #be123c; }
.tile-icon.t-tangerine { background: rgba(249,115,22,.14); color: #c2410c; }

/* -------- 6. Badges -------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: .01em;
  border: 1px solid transparent;
}
.badge-green  { background: #d1fae5; color: #065f46; border-color: #a7f3d0; }
.badge-blue   { background: #dbeafe; color: #1e40af; border-color: #bfdbfe; }
.badge-amber  { background: #fef3c7; color: #92400e; border-color: #fde68a; }
.badge-red    { background: #fee2e2; color: #991b1b; border-color: #fecaca; }
.badge-gray   { background: #e5e7eb; color: #374151; border-color: #d1d5db; }
.badge-purple { background: #ede9fe; color: #5b21b6; border-color: #ddd6fe; }
.badge-tangerine { background: #ffedd5; color: #9a3412; border-color: #fed7aa; }
.badge-soft {
  background: rgba(255,255,255,.18);
  color: #fff;
  border-color: rgba(255,255,255,.35);
  backdrop-filter: blur(4px);
}

/* -------- 7. Tabs -------- */
.tab-btn {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--dur-fast) var(--ease-out);
  border: 1px solid transparent;
}
.tab-btn.active {
  background: linear-gradient(135deg, var(--jeju-sky-500), var(--jeju-ocean-500));
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
}
.tab-btn:not(.active) {
  background: var(--bg-muted);
  color: var(--text-secondary);
  border-color: var(--border-soft);
}
.tab-btn:not(.active):hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

/* -------- 8. Pulse / Live indicator -------- */
.event-pulse { padding-left: 28px; }
.event-pulse::before {
  content: "";
  position: absolute; left: 12px; top: 50%;
  width: 8px; height: 8px;
  background: var(--color-danger);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(239,68,68, .7);
  animation: pulse 1.6s infinite;
  transform: translateY(-50%);
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(239,68,68, .7); }
  70%  { box-shadow: 0 0 0 14px rgba(239,68,68, 0); }
  100% { box-shadow: 0 0 0 0 rgba(239,68,68, 0); }
}

/* -------- 9. Forms -------- */
input, select, textarea {
  border: 1px solid var(--border-base);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  width: 100%;
  font-size: 14px;
  background: #fff;
  color: var(--text-primary);
  transition: border-color var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(14, 165, 233, .15);
  background: #fff;
}
input[type="date"] { padding: 10px 12px; }

label.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: .01em;
}

/* -------- 10. Buttons -------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out),
              background var(--dur-fast) var(--ease-out),
              color var(--dur-fast) var(--ease-out),
              border-color var(--dur-fast) var(--ease-out);
  white-space: nowrap;
  user-select: none;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--jeju-sky-500), var(--jeju-ocean-500));
  color: #fff;
  box-shadow: var(--shadow-glow-primary);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--jeju-sky-600), var(--jeju-ocean-600));
  box-shadow: 0 10px 28px -6px rgba(14, 165, 233, .45);
}

.btn-secondary {
  background: var(--bg-muted);
  color: var(--text-primary);
  border-color: var(--border-soft);
}
.btn-secondary:hover {
  background: var(--bg-hover);
  border-color: var(--border-base);
}

.btn-accent {
  background: linear-gradient(135deg, var(--jeju-tangerine-500), var(--jeju-tangerine-600));
  color: #fff;
  box-shadow: var(--shadow-glow-accent);
}
.btn-accent:hover {
  background: linear-gradient(135deg, var(--jeju-tangerine-600), #c2410c);
}

.btn-success {
  background: linear-gradient(135deg, var(--jeju-leaf-500), var(--jeju-leaf-600));
  color: #fff;
}
.btn-success:hover { filter: brightness(1.05); }

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: #fff;
}
.btn-danger:hover { filter: brightness(1.05); }

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

.btn-outline {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover { background: var(--jeju-ocean-50); }

.btn:disabled, .btn[disabled] {
  opacity: .55; cursor: not-allowed; box-shadow: none; transform: none;
}

.btn-sm  { padding: 7px 12px; font-size: 12.5px; border-radius: 8px; }
.btn-lg  { padding: 14px 22px; font-size: 15px;  border-radius: 12px; }
.btn-xs  { padding: 5px 10px;  font-size: 11.5px; border-radius: 7px; }

/* -------- 11. Bottom Nav -------- */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 100%; max-width: var(--shell-max-w);
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-top: 1px solid var(--border-soft);
  display: grid; grid-template-columns: repeat(5, 1fr);
  z-index: 50;
  padding-bottom: env(safe-area-inset-bottom);
  height: var(--bottom-nav-h);
}
.bottom-nav a {
  position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  font-size: 11px; font-weight: 500;
  color: var(--text-tertiary);
  transition: color var(--dur-fast) var(--ease-out);
  padding: 6px 4px;
}
.bottom-nav a i { font-size: 18px; transition: transform var(--dur-base) var(--ease-out); }
.bottom-nav a:hover { color: var(--color-primary); }
.bottom-nav a.active {
  color: var(--color-primary);
}
.bottom-nav a.active::before {
  content: "";
  position: absolute;
  top: -1px; left: 50%; transform: translateX(-50%);
  width: 30px; height: 3px;
  background: linear-gradient(90deg, var(--jeju-sky-500), var(--jeju-ocean-500));
  border-radius: 0 0 4px 4px;
}
.bottom-nav a.active i { transform: translateY(-2px) scale(1.08); }

/* -------- 12. Spinner -------- */
.spinner {
  width: 32px; height: 32px;
  border: 3px solid var(--border-soft);
  border-top-color: var(--color-primary);
  border-right-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.skeleton {
  background: linear-gradient(90deg, #eef2f7 0%, #f7fafc 50%, #eef2f7 100%);
  background-size: 200% 100%;
  animation: shimmer 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* -------- 13. Toast -------- */
.toast {
  position: fixed;
  bottom: calc(var(--bottom-nav-h) + 24px);
  left: 50%; transform: translateX(-50%);
  background: rgba(15, 23, 42, .94);
  color: #fff;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500;
  z-index: 9999; max-width: 90%;
  box-shadow: var(--shadow-lg);
  animation: toast-in .3s var(--ease-out);
  border: 1px solid rgba(255,255,255,.08);
}
@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 8px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* -------- 14. Misc -------- */
.scrollbar-thin::-webkit-scrollbar { height: 6px; width: 6px; }
.scrollbar-thin::-webkit-scrollbar-thumb { background: var(--border-base); border-radius: 3px; }
.scrollbar-thin::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

.map-container {
  width: 100%;
  height: 60vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}
@media (min-width: 768px) { .map-container { height: 70vh; } }

.timer-bar {
  height: 6px;
  background: var(--border-soft);
  border-radius: var(--radius-pill);
  overflow: hidden;
}
.timer-bar > div {
  height: 100%;
  background: linear-gradient(90deg, var(--jeju-leaf-500), var(--color-warning), var(--color-danger));
  transition: width 1s linear;
  border-radius: inherit;
}

/* Stat number large display */
.stat-num {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  font-weight: 800;
  letter-spacing: -0.03em;
}

/* Section title */
.section-title {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 15px;
  color: var(--text-primary);
}
.section-title .dot {
  width: 4px; height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--jeju-sky-500), var(--jeju-ocean-500));
}

/* Divider */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-soft), transparent);
  margin: 16px 0;
}

/* List item */
.list-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: background var(--dur-fast) var(--ease-out);
}
.list-row:hover { background: var(--bg-muted); }

/* Page entrance animation */
.page-enter {
  animation: page-in .35s var(--ease-out) both;
}
@keyframes page-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    transition-duration: .001ms !important;
  }
}

/* Focus visibility */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* -------- 15. Admin shell tweaks -------- */
.admin-sidebar {
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
}
.admin-sidebar a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: #cbd5e1;
  font-size: 14px;
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out);
}
.admin-sidebar a:hover { background: rgba(255,255,255,.06); color: #fff; }
.admin-sidebar a.active {
  background: linear-gradient(135deg, rgba(14,165,233,.25), rgba(6,182,212,.18));
  color: #fff;
  box-shadow: inset 3px 0 0 var(--jeju-sky-500);
}