/* =============================================================
   haytarot · trips — Polaroid brand stylesheet
   Shared across /, /new, /new/status, /admin, /u/<id>
   Source of truth: ~/.claude/skills/trip-planner-skill/assets/templates/polaroid.html
   ============================================================= */

/* ─── Brand tokens ─── */
:root {
  --kraft:        #d4c4a8;     /* kraft paper background */
  --paper:        #fbf6ec;     /* polaroid cream card */
  --paper-soft:   #f5ecdb;     /* slightly darker paper for hover/active */
  --ink:          #3a2a1a;     /* primary deep brown text */
  --ink-2:        #6e5a3c;     /* secondary mid brown text/dividers */
  --ink-3:        #a09078;     /* tertiary muted brown */
  --accent:       #a85a52;     /* dark red accent (stamps, primary CTA) */
  --accent-soft:  rgba(168, 90, 82, 0.08);
  --danger:       #a83434;
  --ok:           #5a7a5e;
  --tape-pink:    #e8918a;
  --tape-mint:    #9cb89c;
  --tape-yellow: #e0c45a;
  --tape-blue:   #88a8c0;
  --shadow-sm:    0 1px 3px rgba(60, 40, 20, 0.18);
  --shadow:       0 4px 12px rgba(60, 40, 20, 0.18);
  --shadow-lg:    0 1px 2px rgba(0, 0, 0, 0.1), 0 4px 12px rgba(60, 40, 20, 0.18), 0 8px 24px rgba(60, 40, 20, 0.1);
}

/* ─── Reset + base ─── */
* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
html, body { background: var(--kraft); color: var(--ink); }
body {
  font-family: 'Noto Sans TC', 'PingFang TC', 'Heiti TC', system-ui, sans-serif;
  min-height: 100vh; min-height: 100dvh;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
  -webkit-font-smoothing: antialiased;
  background-color: var(--kraft);
  background-image:
    linear-gradient(rgba(110, 90, 60, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 90, 60, 0.08) 1px, transparent 1px);
  background-size: 24px 24px;
  position: relative;
}
body::before {
  content: '';
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='1.4' numOctaves='3'/><feColorMatrix values='0 0 0 0 0.4 0 0 0 0 0.3 0 0 0 0 0.2 0 0 0 0.18 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>");
  mix-blend-mode: multiply;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, select, textarea { font-family: inherit; }

/* ─── Typography utilities ─── */
.ff-cor { font-family: 'Cormorant Garamond', serif; }
.ff-tw  { font-family: 'Special Elite', 'Noto Sans TC', 'PingFang TC', 'Heiti TC', 'Courier New', monospace; }
.ff-hand { font-family: 'Caveat', cursive; font-weight: 700; }
.ff-tc-serif { font-family: 'Noto Serif TC', 'PingFang TC', 'Heiti TC', 'Songti TC', serif; }
.ff-tc-sans  { font-family: 'Noto Sans TC', 'PingFang TC', 'Heiti TC', system-ui, sans-serif; }
.ff-mono { font-family: 'JetBrains Mono', ui-monospace, monospace; }

/* ─── Layout primitive ─── */
.wrap {
  max-width: 520px;
  margin: 0 auto;
  padding: 40px 20px 80px;
  position: relative;
  z-index: 1;
}

/* ─── Polaroid card primitive ─── */
.polaroid {
  background: var(--paper);
  padding: 12px 12px 36px;
  box-shadow: var(--shadow-lg);
  position: relative;
  margin-bottom: 24px;
  transition: transform 0.3s, opacity 0.3s, box-shadow 0.3s;
}
.polaroid-mini {
  background: var(--paper);
  padding: 14px 16px 18px;
  box-shadow: var(--shadow);
  position: relative;
  margin-bottom: 24px;
}

/* ─── Washi tape decoration ─── */
.tape {
  position: absolute;
  width: 70px; height: 22px;
  backdrop-filter: blur(1px);
  box-shadow: 0 1px 3px rgba(60, 40, 20, 0.15);
}
.tape.pink   { background-color: rgba(232, 145, 138, 0.7); }
.tape.mint   { background-color: rgba(156, 184, 156, 0.7); }
.tape.yellow { background-color: rgba(224, 196, 90, 0.7); }
.tape.blue   { background-color: rgba(136, 168, 192, 0.7); }

/* ─── Stitch divider + stamp ─── */
.stitch {
  background-image: linear-gradient(to right, var(--ink-2) 50%, transparent 50%);
  background-size: 6px 1.5px;
  background-repeat: repeat-x;
  height: 2px;
}
.stamp {
  display: inline-block;
  border: 2px solid var(--ink-2);
  color: var(--ink-2);
  font-family: 'Special Elite', 'Noto Sans TC', 'PingFang TC', 'Heiti TC', monospace;
  padding: 3px 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 10px;
  background: rgba(110, 90, 60, 0.05);
}
.stamp.accent { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }

/* ─── Section heading (Caveat hand + stitch line) ─── */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 28px 8px 16px;
}
.section-head-hand {
  font-family: 'Caveat', cursive;
  font-weight: 700;
  font-size: 26px;
  color: var(--ink);
}
.section-head-line { flex: 1; height: 1.5px; background-image: linear-gradient(to right, var(--ink-2) 50%, transparent 50%); background-size: 6px 1.5px; }

/* ─── Button primitives ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 18px;
  font-family: 'Noto Sans TC', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink-2);
  box-shadow: var(--shadow-sm);
  transition: transform 0.15s, background 0.15s;
}
.btn:hover { transform: translateY(-1px); background: var(--paper-soft); }
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); color: var(--paper); border-color: var(--accent); }
.btn.primary:hover { background: #b86a62; }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: rgba(168, 52, 52, 0.08); }

/* ─── Animations ─── */
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.rise { animation: rise 0.4s ease-out; }
@keyframes glow-pol {
  0%, 100% { box-shadow: var(--shadow-lg), 0 0 0 0 rgba(232, 145, 138, 0.4); }
  50%      { box-shadow: 0 1px 2px rgba(0,0,0,0.1), 0 4px 16px rgba(60,40,20,0.25), 0 0 0 8px rgba(232,145,138,0); }
}
.glow { animation: glow-pol 2.4s ease-in-out infinite; }
@keyframes pulse-rec { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.rec { animation: pulse-rec 1.5s ease-in-out infinite; }

/* ─── Form fields (used on /new) ─── */
.field {
  display: block;
  width: 100%;
  padding: 11px 14px;
  font-size: 16px; /* prevents iOS auto-zoom; required by SKILL.md invariants */
  background: var(--paper);
  color: var(--ink);
  border: 1.5px solid var(--ink-2);
  border-radius: 0;
  box-shadow: inset 0 1px 3px rgba(60, 40, 20, 0.06);
}
.field:focus { outline: 2px solid var(--accent); outline-offset: -2px; }
.field-label {
  display: block;
  font-family: 'Special Elite', 'Noto Sans TC', monospace;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--ink-2);
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* ─── Toast ─── */
.brand-toast {
  position: fixed;
  left: 50%; bottom: 28px;
  transform: translateX(-50%);
  padding: 11px 18px;
  background: var(--ink);
  color: var(--paper);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 13px;
  font-weight: 600;
  box-shadow: var(--shadow);
  z-index: 10000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}
.brand-toast.show { opacity: 1; }
.brand-toast.error { background: var(--danger); }
.brand-toast.ok    { background: var(--ok); }