/* ============================================================
   common.css (shared styles, light/dark, responsive)
   ============================================================ */

:root {
  --bg: #f7f8fa;
  --bg-alt: #eef1f5;
  --bg-info: #fee;
  --surface: #ffffff;
  --surface-2: #f4f5f7;
  --text: #16181d;
  --muted: #667085;
  --border: #e4e7ec;
  --border-input: #e4e7ec;
  --accent: #e0503f;
  --accent-strong: #c23a2b;
  --accent-soft: rgba(224, 80, 63, 0.10);
  --success: #1f9d63;
  --success-soft: rgba(31, 157, 99, 0.12);
  --danger: #d13b3b;
  --danger-soft: rgba(209, 59, 59, 0.10);
  --warning: #d99a1f;
  --warning-soft: rgba(217, 154, 31, 0.14);
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05), 0 10px 30px -14px rgba(16, 24, 40, 0.16);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --radius: 14px;
  --radius-sm: 9px;
  --header-h: 66px;
  --maxw: 1180px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --hero-opacity: 1;
}

[data-theme="dark"] {
  --bg: #222328;
  --bg-alt: #171a21;
  --bg-info: #3e3838;
  --surface: #2b2f37;
  --surface-2: #33363f;
  --text: #e9ebee;
  --muted: #98a1ae;
  --border: #2a2f3a;
  --border-input: #4a4f5a;
  --accent: #f0685a;
  --accent-strong: #e0503f;
  --accent-soft: rgba(240, 104, 90, 0.13);
  --success: #2fbd7d;
  --success-soft: rgba(47, 189, 125, 0.14);
  --danger: #e5484d;
  --danger-soft: rgba(229, 72, 77, 0.14);
  --warning: #e8b64c;
  --warning-soft: rgba(232, 182, 76, 0.16);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 32px -14px rgba(0, 0, 0, 0.65);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.45);
  --hero-opacity: 0.6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page { flex: 1 0 auto; }

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-strong); }

img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.container-narrow { max-width: 760px; }

.hidden { display: none !important; }
.muted { color: var(--muted); }

/* ---------------- header ---------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text);
  font-weight: 800;
  font-size: 1.16rem;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.brand:hover { color: var(--text); }
.brand-icon { color: var(--accent); }

.main-nav {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  flex: 1;
  gap: 4px;
  margin-left: 14px;
}

.nav-link {
  padding: 8px 13px;
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 550;
  transition: color 0.15s ease, background 0.15s ease;
}
.nav-link:hover { color: var(--text); background: var(--surface-2); }
.nav-link.active { color: var(--accent); background: var(--accent-soft); }

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}
.icon-btn:hover { color: var(--text); border-color: var(--accent); }

[data-theme="dark"] .icon-sun { display: block; }
[data-theme="dark"] .icon-moon { display: none; }
.icon-sun { display: none; }
.icon-moon { display: block; }

.mobile-links { 
  display: none;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
}
.mobile-row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;
} 
.lang-switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
  background: var(--surface);
}
.lang-switch a {
  padding: 5px 11px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--muted);
}
.lang-switch a.active { background: var(--accent); color: #fff; }
.lang-switch a:not(.active):hover { color: var(--text); }

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 6px 4px 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
}
.user-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
}
.user-avatar a { color: white; }

.user-name { font-size: 0.87rem; font-weight: 600; max-width: 120px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.nav-toggle { display: none; }

/* ---------------- buttons ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.16s ease, color 0.16s ease, border-color 0.16s ease, transform 0.06s ease, box-shadow 0.16s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(224, 80, 63, 0.55);
}
.btn-primary:hover { color: #fff; filter: brightness(1.05); }

.btn-outline {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }
.btn-ghost.danger { color: var(--danger); }
.btn-ghost.danger:hover { background: var(--danger-soft); color: var(--danger); }

.btn-lg { padding: 13px 26px; font-size: 1.02rem; border-radius: 12px; }
.btn-sm { padding: 7px 14px; font-size: 0.86rem; }
.btn-xs { padding: 4px 10px; font-size: 0.8rem; border-radius: 7px; }
.btn-block { width: 100%; }
.btn-round { border-radius: 40px; }

/* ---------------- badges ---------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.badge-open { background: var(--success-soft); color: var(--success); }
.badge-closed { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }
.badge-urgent { background: var(--accent-soft); color: var(--accent); }
.badge-cancelled, .badge-invalid, .badge-pending { background: var(--warning-soft); color: var(--warning); }
.badge-refunded { background: var(--danger-soft); color: var(--danger); }
.badge-admin { background: var(--accent-soft); color: var(--accent); }
.badge-urgent-top { width: 100%; background: var(--accent); color: white; }
.badge-urgent-top { background: linear-gradient(90deg, var(--accent), var(--accent), transparent); }

.campaign-badges { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------------- forms ---------------- */

.field { margin-bottom: 18px; }
.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 7px;
  color: var(--text);
}
.field input[type="text"],
.field input[type="email"],
.field input[type="password"],
.field input[type="number"],
.field input[type="date"],
.field textarea,
.field select,
.field input[type="file"] {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--border-input);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field-hint { margin-top: 6px; font-size: 0.8rem; color: var(--muted); }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--muted);
  cursor: pointer;
  margin: 4px 0 18px;
}
.checkbox input { margin-top: 4px; accent-color: var(--accent); width: 16px; height: 16px; }

.form-error { color: var(--danger); font-size: 0.88rem; margin-bottom: 14px; }

/* ---------------- alerts ---------------- */

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 0.93rem;
  margin: 20px 0;
}
.alert-success { background: var(--success-soft); color: var(--success); }
.alert-error { background: var(--danger-soft); color: var(--danger); }

/* ---------------- sections & headings ---------------- */

.section { padding: 1rem 0; }
.section-alt { background: var(--bg-alt); }
.section-top { padding-top: 34px; }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}
.section-title { font-size: 1.7rem; letter-spacing: -0.02em; margin-bottom: 6px; }
.section-title.center { text-align: center; }
.section-sub { color: var(--muted); font-size: 0.98rem; }

.page-head { margin: 0 auto; padding: 52px 0 10px; }
.page-title { font-size: 2.1rem; letter-spacing: -0.03em; margin-bottom: 8px; }
.page-sub { color: var(--muted); font-size: 1.02rem; }

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  margin-top: 26px;
}
.back-link:hover { color: var(--accent); }

.empty-note { color: var(--muted); padding: 26px 0; font-size: 0.97rem; }

/* ---------------- campaign cards ---------------- */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 22px;
}

.campaign-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.campaign-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
}
.campaign-card-link { color: inherit; display: block; }
.campaign-card-link:hover { color: inherit; }

.card-media { position: relative; aspect-ratio: 16 / 10; background: var(--surface-2); }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.card-media-fallback {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: color-mix(in srgb, var(--accent) 55%, var(--muted));
  background: linear-gradient(135deg, var(--surface-2), var(--bg-alt));
}
.card-media-fallback svg {
  opacity: 0.2;
}
.card-media .badge { position: absolute; top: 12px; left: 12px; }

.card-body { padding: 16px 18px 18px; }
.card-title {
  font-size: 1.04rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7em;
}
.card-owner { color: var(--muted); font-size: 0.84rem; margin: 5px 0 13px; }

.progress-track {
  height: 8px;
  background: var(--surface-2);
  border-radius: 999px;
  overflow: hidden;
  margin: 12px 0;
}
.progress-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.card-stats { display: flex; justify-content: space-between; align-items: flex-end; gap: 10px; margin-bottom: 12px; }
.stat-value { display: block; font-weight: 800; font-size: 1.05rem; letter-spacing: -0.01em; }
.stat-label { display: block; color: var(--muted); font-size: 0.76rem; }
.stat-right { text-align: right; }

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border);
  padding-top: 12px;
}
.days-left { color: var(--muted); font-size: 0.82rem; font-weight: 600; }
.days-left.closed { color: var(--success); }
.card-cta { color: var(--accent); font-size: 0.84rem; font-weight: 700; }

/* ---------------- data tables ---------------- */

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }

.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 640px; }
.data-table th {
  text-align: left;
  padding: 13px 16px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td { padding: 13px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: var(--surface-2); }
.table-link { font-weight: 600; color: var(--text); }
.table-link:hover { color: var(--accent); }
.table-actions .btn-group { display: flex; gap: 6px; flex-wrap: wrap; }
.table-actions form { display: inline; }
.table-actions form .btn { margin: 2px; }

/* ---------------- footer ---------------- */

.site-footer {
  margin-top: auto;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 52px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 34px;
  padding-bottom: 38px;
}
.footer-brand p { color: var(--muted); font-size: 0.92rem; margin-top: 12px; max-width: 340px; }
.footer-col { display: flex; flex-direction: column; gap: 9px; }
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 6px;
}
.footer-col a { color: var(--muted); font-size: 0.93rem; }
.footer-col a:hover { color: var(--accent); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 22px;
  color: var(--muted);
  font-size: 0.85rem;
}

/* ---------------- responsive ---------------- */

@media (max-width: 960px) {
  .lang-switch { display: none; }
  .mobile-links { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: stretch;
    padding: 14px 22px 20px;
    gap: 6px;
    display: none;
    margin: 0;
    box-shadow: var(--shadow);
  }
  .main-nav.open { display: flex; }
  .nav-link { width: 100%; padding: 11px 14px; }
  .nav-toggle { display: inline-flex; }
  .header-actions .btn-sm { display: none; }
  .user-name { display: none; }
  .header-actions .btn-sm.nav-logout { display: flex; }
}

@media (max-width: 720px) {
  .section { padding: 40px 0; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .hero-stats { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
  html { scroll-behavior: auto; }
}