:root {
  --ink: #141414;
  --muted: #525252;
  --line: #e7e7e7;
  --brand: #ff8210;
  --brand-dark: #d96700;
  --brand-soft: #fff3ea;
  --bg: #ffffff;
  --card: #ffffff;
  --danger: #b42318;
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-md: 0 4px 16px rgba(16, 24, 40, 0.06);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.09);
  font-family: "Space Grotesk", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 480px at 50% -120px, #fff1e3 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
}

.app-shell { max-width: 720px; margin: 0 auto; padding: 32px 20px 80px; }

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  min-height: 86px;
  padding: 12px 32px;
  background: var(--card);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.site-nav .brand { text-decoration: none; color: var(--ink); font-weight: 700; letter-spacing: -0.01em; display: flex; align-items: center; }
.brand-logo { height: 58px; width: auto; display: block; }
.site-nav nav { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 10px 20px; }
.site-nav nav a { color: var(--muted); text-decoration: none; font-weight: 500; font-size: 0.95rem; }
.site-nav nav a:hover { color: var(--ink); }
.site-nav .cta { background: var(--brand); color: #fff; padding: 9px 18px; border-radius: 999px; font-weight: 600; }
.menu-toggle { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; border: 1px solid var(--line); border-radius: 999px; background: #fff; cursor: pointer; }
.menu-toggle span { width: 20px; height: 2px; border-radius: 999px; background: var(--ink); transition: transform 160ms ease, opacity 160ms ease; }
.site-nav.nav-open .menu-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-nav.nav-open .menu-toggle span:nth-child(2) { opacity: 0; }
.site-nav.nav-open .menu-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-md);
}

.card h1, .card h2 { font-family: "Newsreader", Georgia, serif; margin-top: 0; letter-spacing: -0.01em; }
.card h1 { font-size: 1.9rem; }
.kicker { text-transform: uppercase; font-size: 0.72rem; letter-spacing: 0.14em; color: var(--brand); font-weight: 700; }

.form-grid { display: grid; gap: 16px; }
.form-grid.two-col { grid-template-columns: 1fr 1fr; }
.field-group.full-row { grid-column: 1 / -1; }
.action-row { display: flex; gap: 10px; justify-content: flex-end; }
.step-nav-actions { grid-column: 1 / -1; }

label { font-weight: 600; font-size: 0.86rem; color: #344054; }
.optional-label { font-weight: 400; color: var(--muted); }
.field-help { color: var(--muted); font-size: 0.82rem; margin: 4px 0 0; }

input, textarea, select {
  width: 100%;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  font-size: 0.95rem;
  font-family: inherit;
  background: #fcfcfb;
  transition: border-color 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(255, 130, 16, 0.18);
}

button {
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 999px;
  padding: 12px 22px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
  box-shadow: var(--shadow-sm);
}
button:hover { background: var(--brand-dark); box-shadow: var(--shadow-md); }
button:active { transform: translateY(1px); }
button.back-button { background: none; color: var(--muted); border: 1px solid var(--line); box-shadow: none; }
button.back-button:hover { color: var(--ink); border-color: var(--brand); background: var(--brand-soft); }
button.danger-button { background: var(--danger); }
button.danger-button:hover { background: #8f1c11; }
button.danger-link { color: var(--danger); border-color: #fda29b; }
button.danger-link:hover { color: #8f1c11; border-color: #8f1c11; background: #fef3f2; }
button:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; transform: none; }

.notice { padding: 13px 18px; border-radius: 14px; margin-bottom: 18px; font-size: 0.9rem; box-shadow: var(--shadow-sm); }
.notice.ok { background: var(--brand-soft); color: #065f46; border: 1px solid #a7f3d0; }
.notice.error { background: #fef3f2; color: var(--danger); border: 1px solid #fda29b; }
.hidden { display: none !important; }

.registry-toolbar { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 18px; }
.registry-toolbar-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.registry-toolbar-actions button { padding: 9px 16px; font-size: 0.84rem; }

.registry-device-grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.registry-device-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.registry-device-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.registry-device-photo, .registry-device-photo-empty {
  width: 100%; height: 170px; object-fit: cover; display: block; background: linear-gradient(135deg, #eef2f6, #e4e9ee);
  display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 0.85rem;
}
img.registry-device-photo { display: none; }
img.registry-device-photo.active { display: block; }
.registry-device-slideshow { position: relative; }
.registry-slide-control {
  position: absolute; top: 50%; transform: translateY(-50%); background: rgba(16,24,40,0.55); color: #fff;
  border: none; width: 30px; height: 30px; border-radius: 50%; cursor: pointer; font-size: 1rem; padding: 0;
  box-shadow: none; transition: background 0.15s ease;
}
.registry-slide-control:hover { background: rgba(16,24,40,0.8); }
.registry-slide-control.previous { left: 8px; }
.registry-slide-control.next { right: 8px; }
.registry-slide-counter { position: absolute; bottom: 8px; right: 10px; background: rgba(16,24,40,0.55); color: #fff; font-size: 0.72rem; padding: 2px 7px; border-radius: 999px; }
.registry-device-content { padding: 18px; }
.registry-device-content h2 { font-size: 1.08rem; margin: 8px 0 6px; font-family: "Newsreader", Georgia, serif; }
.registry-device-meta { font-size: 0.85rem; color: var(--muted); margin: 4px 0; }
.registry-status { display: inline-block; padding: 4px 12px; border-radius: 999px; font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.registry-status.registered { background: var(--brand-soft); color: #065f46; }
.registry-status.lost { background: #fffaeb; color: #b54708; }
.registry-status.stolen { background: #fef3f2; color: var(--danger); }
.registry-status-actions { display: flex; gap: 8px; margin-top: 14px; flex-wrap: wrap; }
.registry-status-actions button { padding: 8px 14px; font-size: 0.82rem; }
button.stolen-action, button.lost-action { background: var(--danger); }
button.stolen-action:hover, button.lost-action:hover { background: #8f1c11; }
button.recovered-action { background: #07ba8a; }
.registry-empty { text-align: center; color: var(--muted); padding: 48px 20px; }
.registry-empty h2 { font-family: "Newsreader", Georgia, serif; color: var(--ink); margin-bottom: 6px; }

.registry-photo-preview-grid { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.registry-photo-preview-grid img { width: 76px; height: 76px; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); box-shadow: var(--shadow-sm); }
.registry-photo-manage-grid { display: flex; flex-wrap: wrap; gap: 10px; }
.registry-photo-manage-item { position: relative; width: 90px; height: 90px; }
.registry-photo-manage-item img { width: 100%; height: 100%; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); }
.registry-photo-delete {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 26px;
  height: 26px;
  padding: 0;
  border-radius: 999px;
  background: var(--danger);
  color: #fff;
  border: 2px solid #fff;
  line-height: 1;
  font-size: 1rem;
  box-shadow: var(--shadow-sm);
}
.registry-photo-delete:hover { background: #8f1c11; }

.disclosure-note { background: #fff7ed; border: 1px solid #fdba74; color: #7c2d12; border-radius: 14px; padding: 14px 16px; font-size: 0.85rem; margin-bottom: 18px; }

.registry-located-notice {
  background: var(--brand-soft);
  border: 1px solid #a7f3d0;
  color: #065f46;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.82rem;
  margin: 12px 0 0;
}

.registry-located-actions { margin-top: 8px; }
button.not-mine-action { padding: 6px 12px; font-size: 0.78rem; background: #fff; }
.service-log-panel { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.service-log-panel h3 { margin: 0 0 12px; font-size: 1rem; }
.service-log-form { margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--line); }
.service-log-form label { display: grid; gap: 6px; }
.service-log-entry { border: 1px solid var(--line); border-radius: 12px; padding: 12px; margin-bottom: 10px; background: #fff; }
.service-log-entry div { display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.service-log-entry span, .service-log-entry p { color: var(--muted); font-size: 0.82rem; }
.service-log-entry p { margin: 6px 0 0; }
.service-log-pager { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 4px; }
.service-log-pager-status { color: var(--muted); font-size: 0.82rem; }
.service-log-pager button[disabled] { opacity: 0.5; cursor: not-allowed; }
.registry-empty.compact { padding: 12px 0; text-align: left; }
.dialog-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(20, 20, 20, 0.45); }
.dialog-box { width: min(100%, 480px); max-height: 86vh; overflow-y: auto; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 24px; box-shadow: var(--shadow-lg); }
.dialog-box h2 { margin: 0 0 8px; font-family: "Newsreader", Georgia, serif; }
.dialog-box p { margin: 0 0 18px; color: var(--muted); }
.dialog-fields { display: grid; gap: 12px; margin-bottom: 14px; }
.dialog-fields label { display: grid; gap: 6px; }
.dialog-error { color: var(--danger); font-size: 0.86rem; margin: 0 0 12px; }
.dialog-body { max-height: 50vh; overflow-y: auto; margin-bottom: 14px; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; flex-wrap: wrap; }

@media (max-width: 860px) {
  .site-nav { flex-direction: row; justify-content: space-between; flex-wrap: wrap; gap: 12px 16px; padding: 14px 16px; }
  .brand-logo { height: 52px; }
  .menu-toggle { display: flex; }
  .site-nav nav { display: none; order: 3; flex-basis: 100%; }
  .site-nav.nav-open nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; width: 100%; max-width: 520px; margin: 0 auto; }
  .site-nav nav a { display: flex; align-items: center; justify-content: center; min-height: 42px; padding: 8px 10px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-size: 0.92rem; text-align: center; }
  .site-nav .cta { grid-column: 1 / -1; }
}

@media (max-width: 430px) {
  .site-nav nav { grid-template-columns: minmax(0, 1fr); }
  .brand-logo { height: 46px; }
}