/* ==========================================================================
   VUBLIC — Design tokens & mobile-app shell
   Palette: Vublic Teal (trust/service) + Coral (urgency/CTA) on a soft
   mint-to-lavender glass field. Cards are frosted glass; bottom nav is a
   floating "island" like a native app tab bar.
   ========================================================================== */

:root {
  /* Color */
  --vb-teal-900: #0b3b36;
  --vb-teal-700: #0f7a6f;
  --vb-teal-500: #0f9b8e;
  --vb-teal-300: #6fd6c8;
  --vb-teal-100: #eafbf6;

  --vb-coral-600: #e5502e;
  --vb-coral-500: #ff6b4a;
  --vb-coral-200: #ffd9cd;

  --vb-ink-900: #16232b;
  --vb-ink-600: #4a5a63;
  --vb-ink-300: #8fa0a8;

  --vb-bg-a: #eafbf6;
  --vb-bg-b: #f1eefb;
  --vb-bg-c: #eaf1ff;

  --vb-glass: rgba(255, 255, 255, 0.6);
  --vb-glass-strong: rgba(255, 255, 255, 0.82);
  --vb-glass-border: rgba(255, 255, 255, 0.75);
  --vb-shadow: 0 10px 30px rgba(15, 59, 54, 0.12);
  --vb-shadow-sm: 0 4px 14px rgba(15, 59, 54, 0.08);

  /* Type */
  --vb-font-display: "Sora", "Segoe UI", sans-serif;
  --vb-font-body: "Inter", "Segoe UI", sans-serif;

  /* Layout */
  --vb-radius-lg: 26px;
  --vb-radius-md: 18px;
  --vb-radius-sm: 12px;
  --vb-header-h: 64px;
  --vb-nav-h: 74px;
  --vb-max-w: 480px; /* mobile-app column, centers on desktop */
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  font-family: var(--vb-font-body);
  color: var(--vb-ink-900);
  -webkit-tap-highlight-color: transparent;
}

body {
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--vb-bg-c), transparent 60%),
    radial-gradient(1000px 500px at 100% 0%, var(--vb-bg-b), transparent 55%),
    linear-gradient(180deg, var(--vb-bg-a), #ffffff 55%);
  min-height: 100vh;
}

@media (prefers-reduced-motion: no-preference) {
  .vb-card, .vb-btn, .vb-nav-item, .vb-fab { transition: transform .16s ease, box-shadow .16s ease, background .16s ease; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
:focus-visible { outline: 2px solid var(--vb-teal-500); outline-offset: 2px; }

h1, h2, h3, .vb-display { font-family: var(--vb-font-display); font-weight: 700; letter-spacing: -0.01em; color: var(--vb-ink-900); margin: 0; }

/* ---------- App shell: centers the mobile layout even on desktop ---------- */
.vb-app {
  max-width: var(--vb-max-w);
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  padding-top: var(--vb-header-h);
  padding-bottom: calc(var(--vb-nav-h) + 18px);
  background: transparent;
}

/* ---------- Header ---------- */
.vb-header {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--vb-max-w);
  height: var(--vb-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: var(--vb-glass-strong);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--vb-glass-border);
  z-index: 40;
}

.vb-brand { display: flex; align-items: center; gap: 8px; font-family: var(--vb-font-display); font-weight: 800; font-size: 19px; color: var(--vb-teal-900); }
.vb-brand-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--vb-coral-500); box-shadow: 0 0 0 4px var(--vb-coral-200); }

.vb-header-actions { display: flex; align-items: center; gap: 10px; }
.vb-icon-btn {
  width: 38px; height: 38px; border-radius: 12px; border: 1px solid var(--vb-glass-border);
  background: rgba(255,255,255,0.6); display: flex; align-items: center; justify-content: center;
  cursor: pointer;
}
.vb-icon-btn:active { transform: scale(0.92); }

/* ---------- Cards (glassmorphism, card-style throughout) ---------- */
.vb-card {
  background: var(--vb-glass);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border: 1px solid var(--vb-glass-border);
  border-radius: var(--vb-radius-lg);
  box-shadow: var(--vb-shadow-sm);
  padding: 16px;
}
.vb-card:active { transform: scale(0.99); }

.vb-section { padding: 14px 16px 4px; }
.vb-section-title { font-size: 15px; font-weight: 700; color: var(--vb-ink-900); margin-bottom: 10px; }
.vb-eyebrow { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--vb-teal-700); }

/* Vendor card */
.vb-vendor-card {
  display: flex; gap: 12px; align-items: flex-start;
  margin-bottom: 12px;
}
.vb-vendor-avatar {
  width: 56px; height: 56px; border-radius: var(--vb-radius-sm);
  background: linear-gradient(145deg, var(--vb-teal-300), var(--vb-teal-500));
  flex-shrink: 0; object-fit: cover;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-family: var(--vb-font-display);
}
.vb-vendor-info { flex: 1; min-width: 0; }
.vb-vendor-name { font-weight: 700; font-size: 15px; display: flex; align-items: center; gap: 6px; }
.vb-vendor-meta { font-size: 12.5px; color: var(--vb-ink-600); margin-top: 2px; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }

.vb-status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--vb-ink-300); flex-shrink: 0; }
.vb-status-dot.online { background: #17b978; box-shadow: 0 0 0 3px rgba(23,185,120,0.18); }

.vb-chip {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  background: rgba(15,155,142,0.1); color: var(--vb-teal-700);
}
.vb-chip.coral { background: rgba(255,107,74,0.12); color: var(--vb-coral-600); }
.vb-chip.rating { background: rgba(255,193,7,0.16); color: #a8720b; }

/* ---------- Buttons ---------- */
.vb-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 14px 18px; border-radius: 16px; border: none;
  font-weight: 700; font-size: 15px; cursor: pointer;
}
.vb-btn:active { transform: scale(0.98); }
.vb-btn-primary { background: linear-gradient(135deg, var(--vb-teal-500), var(--vb-teal-700)); color: #fff; box-shadow: var(--vb-shadow-sm); }
.vb-btn-coral { background: linear-gradient(135deg, var(--vb-coral-500), var(--vb-coral-600)); color: #fff; box-shadow: 0 8px 20px rgba(255,107,74,0.28); }
.vb-btn-ghost { background: var(--vb-glass); border: 1px solid var(--vb-glass-border); color: var(--vb-ink-900); }
.vb-btn-sm { width: auto; padding: 9px 16px; font-size: 13.5px; border-radius: 12px; }

/* ---------- PIN pad (auth) ---------- */
.vb-pin-dots { display: flex; gap: 14px; justify-content: center; margin: 22px 0; }
.vb-pin-dots span { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--vb-teal-500); background: transparent; }
.vb-pin-dots span.filled { background: var(--vb-teal-500); }
.vb-keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 280px; margin: 0 auto; }
.vb-key {
  aspect-ratio: 1; border-radius: 18px; border: 1px solid var(--vb-glass-border);
  background: var(--vb-glass); font-size: 22px; font-weight: 700; color: var(--vb-ink-900);
  display: flex; align-items: center; justify-content: center; cursor: pointer;
}
.vb-key:active { transform: scale(0.94); background: rgba(15,155,142,0.14); }
.vb-key.action { background: transparent; border: none; font-size: 14px; color: var(--vb-ink-600); }

/* ---------- Bottom nav: floating app "island" ---------- */
.vb-nav {
  position: fixed;
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 28px);
  max-width: calc(var(--vb-max-w) - 28px);
  height: var(--vb-nav-h);
  background: var(--vb-glass-strong);
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  border: 1px solid var(--vb-glass-border);
  border-radius: 26px;
  box-shadow: var(--vb-shadow);
  display: flex;
  align-items: center;
  justify-content: space-around;
  z-index: 40;
}
.vb-nav-item {
  display: flex; flex-direction: column; align-items: center; gap: 3px;
  font-size: 10.5px; font-weight: 600; color: var(--vb-ink-300);
  padding: 8px 10px; border-radius: 14px; cursor: pointer;
}
.vb-nav-item.active { color: var(--vb-teal-700); background: rgba(15,155,142,0.12); }
.vb-nav-item svg { width: 22px; height: 22px; }

/* Floating emergency SOS button, sits above the nav */
.vb-fab {
  position: fixed;
  bottom: calc(var(--vb-nav-h) + 26px);
  left: 50%;
  transform: translateX(-50%);
  z-index: 41;
}

/* ---------- Map ---------- */
.vb-map-wrap {
  position: relative;
  height: 260px;
  border-radius: var(--vb-radius-lg);
  overflow: hidden;
  border: 1px solid var(--vb-glass-border);
  box-shadow: var(--vb-shadow-sm);
  margin: 0 16px 6px;
}
#vb-map { width: 100%; height: 100%; }
.vb-map-toggle {
  position: absolute; top: 10px; right: 10px; z-index: 5;
  background: var(--vb-glass-strong); backdrop-filter: blur(10px);
  border-radius: 12px; border: 1px solid var(--vb-glass-border);
  padding: 6px 10px; font-size: 12px; font-weight: 700; cursor: pointer;
}

/* Vendor map marker */
.vb-marker {
  width: 34px; height: 34px; border-radius: 50% 50% 50% 4px;
  background: var(--vb-teal-500); transform: rotate(-45deg);
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 10px rgba(15,59,54,0.3); border: 2px solid #fff;
}
.vb-marker.offline { background: var(--vb-ink-300); }
.vb-marker span { transform: rotate(45deg); font-size: 15px; }

/* ---------- Auth screens ---------- */
.vb-auth-wrap { padding: 26px 22px; }
.vb-auth-logo { text-align: center; margin-bottom: 26px; }
.vb-auth-logo .vb-mark {
  width: 64px; height: 64px; border-radius: 20px; margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--vb-teal-500), var(--vb-teal-900));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-family: var(--vb-font-display); font-weight: 800; font-size: 26px;
  box-shadow: var(--vb-shadow);
}
.vb-field { margin-bottom: 14px; }
.vb-field label { display: block; font-size: 12.5px; font-weight: 700; color: var(--vb-ink-600); margin-bottom: 6px; }
.vb-field input {
  width: 100%; padding: 14px 16px; border-radius: 14px; border: 1px solid var(--vb-glass-border);
  background: rgba(255,255,255,0.75); font-size: 15px; font-family: var(--vb-font-body); color: var(--vb-ink-900);
}
.vb-field input:focus { border-color: var(--vb-teal-500); }
.vb-switch-role { display: flex; gap: 8px; margin-bottom: 20px; }
.vb-switch-role a {
  flex: 1; text-align: center; padding: 10px; border-radius: 14px; font-weight: 700; font-size: 13.5px;
  background: var(--vb-glass); border: 1px solid var(--vb-glass-border); color: var(--vb-ink-600);
}
.vb-switch-role a.active { background: linear-gradient(135deg, var(--vb-teal-500), var(--vb-teal-700)); color: #fff; }

.vb-alert {
  padding: 12px 14px; border-radius: 14px; font-size: 13.5px; margin-bottom: 14px;
  background: rgba(255,107,74,0.12); color: var(--vb-coral-600); border: 1px solid var(--vb-coral-200);
}

/* ---------- Utility ---------- */
.vb-empty { text-align: center; padding: 40px 20px; color: var(--vb-ink-600); }
.vb-empty .vb-display { margin-bottom: 6px; font-size: 17px; }