/* ── HoloQR ─────────────────────────────────────────────── */
:root {
  --bg: #0b0d14;
  --surface: #141826;
  --surface2: #1c2135;
  --border: #2a3050;
  --text: #eef0f8;
  --muted: #8b91ad;
  --accent: #7c5cff;
  --accent2: #38d6d0;
  --danger: #ff5c74;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  line-height: 1.5;
}
a { color: var(--accent2); text-decoration: none; }

/* Header */
header.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: rgba(11,13,20,.8);
  position: sticky; top: 0; backdrop-filter: blur(8px); z-index: 10;
}
.logo { font-weight: 800; font-size: 1.15rem; letter-spacing: -.02em; color: var(--text); }
.logo span { color: var(--accent); }

.container { max-width: 960px; margin: 0 auto; padding: 32px 20px 80px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  border: none; border-radius: 10px;
  padding: 10px 18px; font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: filter .15s, transform .05s;
}
.btn:hover { filter: brightness(1.12); }
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: default; }
.btn.secondary { background: var(--surface2); color: var(--text); border: 1px solid var(--border); }
.btn.ghost { background: transparent; color: var(--muted); border: none; }
.btn.ghost:hover { color: var(--text); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn.small { padding: 6px 12px; font-size: .85rem; }

/* Forms */
.field { margin-bottom: 14px; }
.field label { display: block; font-size: .85rem; color: var(--muted); margin-bottom: 5px; }
input[type=text], input[type=email], input[type=password], textarea {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  padding: 11px 14px; font-size: .95rem;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--accent); }

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }

.card.clickable { cursor: pointer; transition: border-color .15s, transform .1s; }
.card.clickable:hover { border-color: var(--accent); transform: translateY(-2px); }

.card h3 { font-size: 1.05rem; margin-bottom: 4px; }
.card .meta { color: var(--muted); font-size: .82rem; }

.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 26px; }
.page-head h1 { font-size: 1.5rem; letter-spacing: -.02em; }
.page-head .sub { color: var(--muted); font-size: .9rem; }

.empty {
  text-align: center; color: var(--muted);
  padding: 60px 20px;
  border: 1px dashed var(--border); border-radius: var(--radius);
}

/* Auth (landing) */
.hero { text-align: center; padding: 56px 20px 30px; }
.hero h1 { font-size: 2.3rem; letter-spacing: -.03em; line-height: 1.15; }
.hero h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p { color: var(--muted); max-width: 520px; margin: 14px auto 0; }
.auth-box { max-width: 400px; margin: 30px auto; }
.auth-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.auth-tabs button {
  flex: 1; padding: 9px; border-radius: 10px; cursor: pointer;
  background: transparent; border: 1px solid var(--border); color: var(--muted);
  font-weight: 600;
}
.auth-tabs button.active { background: var(--surface2); color: var(--text); border-color: var(--accent); }

.msg { margin-top: 12px; font-size: .88rem; padding: 10px 14px; border-radius: 10px; display: none; }
.msg.error { display: block; background: rgba(255,92,116,.12); color: var(--danger); }
.msg.ok { display: block; background: rgba(56,214,208,.12); color: var(--accent2); }

/* Model rows */
.model-row {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; margin-bottom: 12px;
  flex-wrap: wrap;
}
.model-row .thumb {
  width: 56px; height: 56px; border-radius: 10px;
  background: var(--surface2); display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem; flex-shrink: 0;
}
.model-row .info { flex: 1; min-width: 140px; }
.model-row .info h3 { font-size: 1rem; }
.model-row .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.badge { font-size: .72rem; padding: 2px 8px; border-radius: 20px; background: var(--surface2); color: var(--muted); border: 1px solid var(--border); margin-left: 6px; }
.badge.ios { color: var(--accent2); }

/* Modal */
.modal-bg {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: none; align-items: center; justify-content: center; z-index: 50; padding: 20px;
}
.modal-bg.open { display: flex; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; width: 100%; max-width: 440px; }
.modal h2 { font-size: 1.2rem; margin-bottom: 16px; }
.modal .row { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* QR modal */
.qr-box { text-align: center; }
.qr-box canvas, .qr-box img { background: #fff; padding: 12px; border-radius: 12px; }
.qr-box .link { font-size: .78rem; color: var(--muted); word-break: break-all; margin-top: 10px; }

/* File input */
.file-drop {
  border: 2px dashed var(--border); border-radius: 12px;
  padding: 22px; text-align: center; color: var(--muted); cursor: pointer;
  transition: border-color .15s; font-size: .9rem;
}
.file-drop:hover, .file-drop.drag { border-color: var(--accent); color: var(--text); }
.file-drop input { display: none; }

.spinner {
  width: 20px; height: 20px; border: 3px solid var(--border);
  border-top-color: var(--accent); border-radius: 50%;
  animation: spin .8s linear infinite; display: inline-block; vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.loading-page { display: flex; align-items: center; justify-content: center; min-height: 60vh; color: var(--muted); gap: 12px; }

/* Print sheet */
@media print {
  body { background: #fff; color: #000; }
  .no-print { display: none !important; }
  .print-grid { gap: 10mm; }
}
.print-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 20px;
}
.print-card {
  border: 1px solid #ccc; border-radius: 8px; padding: 14px;
  text-align: center; background: #fff; color: #000;
  break-inside: avoid;
}
.print-card img { width: 100%; max-width: 150px; }
.print-card .pname { font-weight: 700; font-size: .9rem; margin-top: 8px; }
.print-card .phint { font-size: .7rem; color: #555; margin-top: 3px; }

/* Viewer */
.viewer-page { display: flex; flex-direction: column; min-height: 100vh; }
model-viewer.full {
  flex: 1; width: 100%; min-height: 70vh;
  background: radial-gradient(circle at 50% 40%, #1c2135 0%, #0b0d14 75%);
}
.viewer-info { text-align: center; padding: 16px 20px 30px; }
.viewer-info h1 { font-size: 1.2rem; }
.viewer-info p { color: var(--muted); font-size: .85rem; margin-top: 4px; }
.ar-hint {
  display: inline-flex; align-items: center; gap: 8px;
  margin-top: 12px; padding: 8px 16px; border-radius: 30px;
  background: var(--surface2); border: 1px solid var(--border);
  color: var(--accent2); font-size: .85rem;
}