/* BookUno Mobile Redesign — design tokens
   Default purple shade can be overridden by Tweaks (data-shade on <html>).
*/

:root,
[data-shade="deep"] {
  --pri: #6B57FF;          /* brand purple */
  --pri-600: #5A47EE;
  --pri-700: #4A38D8;
  --pri-800: #3324AE;
  --pri-50: #F1EEFF;
  --pri-100: #E4DFFF;
  --pri-200: #CFC6FF;
  --pri-tint: #ECE7FF;
  --pri-glow: rgba(107, 87, 255, 0.32);
}
[data-shade="violet"] {
  --pri: #7B5BFF;
  --pri-600: #6A4BF0;
  --pri-700: #5638D8;
  --pri-800: #3A22A8;
  --pri-50: #F2EEFF;
  --pri-100: #E6DEFF;
  --pri-200: #D2C2FF;
  --pri-tint: #EFE7FF;
  --pri-glow: rgba(123, 91, 255, 0.32);
}
[data-shade="indigo"] {
  --pri: #5550FF;
  --pri-600: #4A45EE;
  --pri-700: #3A36D2;
  --pri-800: #2722A0;
  --pri-50: #EEEEFF;
  --pri-100: #DDDDFF;
  --pri-200: #C2C0FF;
  --pri-tint: #E6E5FF;
  --pri-glow: rgba(85, 80, 255, 0.32);
}
[data-shade="orchid"] {
  --pri: #9B5DFF;
  --pri-600: #884DEE;
  --pri-700: #6E37D2;
  --pri-800: #4A1F9A;
  --pri-50: #F5EEFF;
  --pri-100: #ECDFFF;
  --pri-200: #DCC4FF;
  --pri-tint: #F0E5FF;
  --pri-glow: rgba(155, 93, 255, 0.32);
}

:root {
  /* Neutrals — warm-tinted */
  --ink: #0F0E1A;
  --ink-2: #25243A;
  --muted: #5A5870;
  --muted-2: #8B889E;
  --line: #ECE9F4;
  --line-2: #F4F2F9;
  --bg: #FAF8FF;
  --bg-2: #F4F0FF;
  --card: #FFFFFF;
  --chip: #F2F0F9;

  /* Accent — used SPARINGLY */
  --amber: #FFA94D;
  --amber-bg: #FFF1E0;
  --rose:  #FF6B9C;
  --teal:  #19B8A6;
  --green: #16A34A;
  --green-bg: #E6F6EC;
  --danger: #E11D48;
  --danger-bg: #FFE4EA;

  /* Radii / shadows */
  --r-sm: 10px;
  --r:    14px;
  --r-md: 18px;
  --r-lg: 24px;
  --r-xl: 32px;

  --sh-1: 0 1px 2px rgba(15,14,30,0.05);
  --sh-2: 0 6px 22px rgba(40,30,80,0.07);
  --sh-3: 0 18px 48px rgba(40,30,80,0.14);
  --sh-pri: 0 10px 24px var(--pri-glow);

  --font: "Plus Jakarta Sans", "Inter", -apple-system, "SF Pro Display", system-ui, sans-serif;
  --font-display: "Plus Jakarta Sans", "Inter", -apple-system, system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;
}

/* density modifier */
[data-density="cozy"] {
  --pad-card: 14px;
  --gap-stack: 12px;
  --row-h: 56px;
}
[data-density="comfy"] {
  --pad-card: 18px;
  --gap-stack: 16px;
  --row-h: 62px;
}
[data-density="airy"] {
  --pad-card: 22px;
  --gap-stack: 22px;
  --row-h: 72px;
}

* { box-sizing: border-box; }

/* The mobile artboard root */
.bu {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  height: 100%;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  position: relative;
  line-height: 1.45;
}
.bu, .bu * { font-family: var(--font); }
.bu a { color: inherit; text-decoration: none; }
.bu button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }
.bu input, .bu textarea, .bu select { font-family: inherit; color: inherit; }
.bu h1, .bu h2, .bu h3, .bu h4 { margin: 0; letter-spacing: -0.02em; }
.bu p { margin: 0; }

/* Reusable utilities scoped to .bu */
.bu .stack { display: flex; flex-direction: column; }
.bu .row { display: flex; align-items: center; }
.bu .between { justify-content: space-between; }
.bu .center { align-items: center; justify-content: center; }
.bu .grow { flex: 1; }
.bu .muted { color: var(--muted); }
.bu .micro { font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 700; }

/* Buttons */
.bu .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 18px; border-radius: 14px;
  font-weight: 700; font-size: 15px; letter-spacing: -0.01em;
  background: var(--ink); color: #fff;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.bu .btn:active { transform: scale(0.97); }
.bu .btn.primary {
  background: var(--pri); color: #fff;
  box-shadow: var(--sh-pri);
}
.bu .btn.primary:active { box-shadow: 0 4px 14px var(--pri-glow); }
.bu .btn.ghost {
  background: var(--chip); color: var(--ink);
  box-shadow: none;
}
.bu .btn.outline {
  background: transparent; color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--line);
}
.bu .btn.dark { background: var(--ink); color: #fff; }
.bu .btn.lg { height: 56px; padding: 0 22px; font-size: 16px; border-radius: 16px; }
.bu .btn.sm { height: 36px; padding: 0 12px; font-size: 13px; border-radius: 10px; }
.bu .btn.pill { border-radius: 999px; }
.bu .btn.block { width: 100%; }
.bu .btn svg { width: 18px; height: 18px; }

/* Inputs */
.bu .input {
  height: 52px; border-radius: 14px;
  background: #fff; box-shadow: inset 0 0 0 1.5px var(--line);
  padding: 0 16px;
  display: flex; align-items: center; gap: 10px;
  font-size: 15px;
}
.bu .input input { flex: 1; border: 0; outline: 0; background: transparent; min-width: 0; font-size: 15px; }
.bu .input.lg { height: 60px; border-radius: 18px; }

/* Chip */
.bu .chip {
  display: inline-flex; align-items: center; gap: 6px;
  height: 36px; padding: 0 14px; border-radius: 999px;
  background: var(--chip); color: var(--ink);
  font-weight: 600; font-size: 13px;
  white-space: nowrap;
}
.bu .chip.on { background: var(--ink); color: #fff; }
.bu .chip.pri { background: var(--pri); color: #fff; }
.bu .chip.tint { background: var(--pri-50); color: var(--pri-700); }

/* Card (variable card style via data-cards on .bu) */
.bu .card {
  background: #fff; border-radius: 20px;
  box-shadow: var(--sh-2);
  padding: 16px;
}
[data-cards="flat"] .card {
  box-shadow: none; border: 1px solid var(--line);
  background: #fff;
}
[data-cards="tinted"] .card {
  box-shadow: none; background: var(--pri-50);
}
[data-cards="elevated"] .card {
  box-shadow: var(--sh-3); border-radius: 24px;
}

/* Skeleton shimmer */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}
.bu .skel {
  background: linear-gradient(90deg, #EAE6F2 0%, #F4F1FB 50%, #EAE6F2 100%);
  background-size: 200% 100%;
  animation: shimmer 1.6s linear infinite;
  border-radius: 8px;
}

/* Reveal on scroll */
.bu .rv {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.7s cubic-bezier(0.2,0.7,0.2,1), transform 0.7s cubic-bezier(0.2,0.7,0.2,1);
  transition-delay: var(--rv-d, 0ms);
}
.bu .rv.in { opacity: 1; transform: none; }

/* Press scale */
.bu .press { transition: transform 0.12s; }
.bu .press:active { transform: scale(0.97); }

/* Gradient placeholder for storefront imagery */
.bu .gph {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(120% 100% at 0% 0%, var(--g-1, #C8B8FF) 0%, transparent 60%),
    radial-gradient(140% 130% at 100% 100%, var(--g-2, #FF9DB6) 0%, transparent 55%),
    linear-gradient(135deg, var(--g-3, #6B57FF) 0%, var(--g-4, #B58CFF) 100%);
  color: rgba(255,255,255,0.92);
  display: flex; align-items: flex-end;
}
.bu .gph::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(120% 60% at 50% 110%, rgba(0,0,0,0.22), transparent 60%);
  pointer-events: none;
}
.bu .gph > * { position: relative; z-index: 1; }

/* Star */
.bu .star { color: var(--amber); }

/* Bottom nav reusable */
.bu .botnav {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 8px 14px 22px;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-top: 1px solid rgba(236,233,244,0.7);
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  z-index: 20;
}
.bu .botnav-item {
  display: flex; flex-direction: column; align-items: center;
  gap: 4px;
  font-size: 10.5px; font-weight: 600;
  color: var(--muted-2);
  padding: 6px 4px;
}
.bu .botnav-item.act { color: var(--pri); }
.bu .botnav-item.fab {
  margin-top: -22px;
}
.bu .botnav-fab-circle {
  width: 52px; height: 52px; border-radius: 18px;
  background: linear-gradient(135deg, var(--pri), var(--pri-700));
  display: grid; place-items: center;
  color: #fff;
  box-shadow: var(--sh-pri);
}

/* Top app bar */
.bu .appbar {
  position: sticky; top: 0; z-index: 15;
  padding: 14px 18px 12px;
  background: rgba(250,248,255,0.92);
  backdrop-filter: blur(14px);
}

/* Floating pill bar */
.bu .pillbar {
  display: inline-flex; padding: 5px; gap: 4px;
  background: var(--chip); border-radius: 999px;
}
.bu .pillbar button {
  height: 34px; padding: 0 14px; border-radius: 999px;
  font-weight: 700; font-size: 13px; color: var(--muted);
}
.bu .pillbar button.on { background: #fff; color: var(--ink); box-shadow: var(--sh-1); }

/* Section header */
.bu .sec-h {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 0 18px;
  margin-bottom: 12px;
}
.bu .sec-h h3 {
  font-size: 19px; font-weight: 800; letter-spacing: -0.02em;
}
.bu .sec-h a { color: var(--pri); font-weight: 700; font-size: 13px; }

/* Horizontal carousel */
.bu .hcar {
  display: flex; gap: 12px;
  overflow-x: auto; overflow-y: visible;
  padding: 4px 18px 8px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}
.bu .hcar::-webkit-scrollbar { display: none; }
.bu .hcar > * { scroll-snap-align: start; flex: 0 0 auto; }

/* Hero gradient */
.bu .hero-bg {
  background:
    radial-gradient(80% 60% at 110% -10%, rgba(255, 157, 182, 0.28) 0%, transparent 60%),
    radial-gradient(70% 50% at -10% 0%, rgba(123, 91, 255, 0.40) 0%, transparent 55%),
    linear-gradient(180deg, #1A0E4A 0%, #2B1373 60%, #3D1FA5 100%);
}

/* Decorative glow blob */
.bu .blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.7;
  pointer-events: none;
}

/* Generic badge */
.bu .badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 8px; border-radius: 6px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.02em;
  background: var(--chip); color: var(--muted);
}
.bu .badge.ok { background: var(--green-bg); color: var(--green); }
.bu .badge.pri { background: var(--pri-50); color: var(--pri-700); }
.bu .badge.amber { background: var(--amber-bg); color: #B45309; }
.bu .badge.dot::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; margin-right: 2px; }

/* Step dots */
.bu .stepdots { display: flex; gap: 6px; align-items: center; }
.bu .stepdots .d { height: 4px; border-radius: 4px; background: var(--line); transition: all 0.3s; width: 14px; }
.bu .stepdots .d.on { background: var(--pri); width: 28px; }

/* Marquee for trust logos */
@keyframes mq { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.bu .mq-track { display: flex; gap: 28px; animation: mq 22s linear infinite; width: max-content; }

/* Pulse */
@keyframes pulse { 0% { opacity: 0.4; transform: scale(1); } 50% { opacity: 0.9; transform: scale(1.06); } 100% { opacity: 0.4; transform: scale(1); } }
.bu .pulse { animation: pulse 2.4s ease-in-out infinite; }

/* Page-canvas background of the surrounding design canvas — unaffected; we
   only style what's INSIDE .bu */

/* ── Keyboard focus (a11y) ──────────────────────────────────
   Visible focus ring for keyboard users only; mouse clicks stay clean. */
.web :is(a, button, input, select, textarea, [tabindex]):focus-visible,
.bu :is(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 2px solid var(--pri, #6B57FF);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ── Reduced motion (a11y) ──────────────────────────────────
   Collapse decorative animation/transitions to instants for users who
   ask for less motion. Content revealed by .rv still appears — the
   transition just snaps instead of animating. */
@media (prefers-reduced-motion: reduce) {
  .web *, .web *::before, .web *::after,
  .bu *, .bu *::before, .bu *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .web, .bu { scroll-behavior: auto !important; }
}
