/* ═══════════════════════════════════════
   ArtVault — Admin Panel CSS
   ═══════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Cormorant+Garamond:wght@400;500;600&display=swap');

:root {
  --gold:         #C9A84C;
  --gold-light:   #E0C472;
  --gold-dark:    #9A7A2E;
  --gold-dim:     rgba(201,168,76,0.12);
  --sidebar-bg:   #111111;
  --sidebar-w:    260px;
  --panel-bg:     #1A1A1A;
  --panel-2:      #222222;
  --panel-3:      #2A2A2A;
  --border:       rgba(255,255,255,0.07);
  --border-gold:  rgba(201,168,76,0.25);
  --text-1:       #F0EBE0;
  --text-2:       #A09880;
  --text-3:       #605850;
  --success:      #4CC978;
  --danger:       #E05555;
  --warning:      #E0A84C;
  --info:         #4C9CE0;
  --font:         'Inter', sans-serif;
  --font-serif:   'Cormorant Garamond', serif;
  --radius:       6px;
  --radius-lg:    10px;
  --transition:   0.25s cubic-bezier(0.4,0,0.2,1);
  --shadow:       0 4px 24px rgba(0,0,0,0.4);
}

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font);
  background: var(--panel-bg);
  color: var(--text-1);
  -webkit-font-smoothing: antialiased;
  display: flex;
  font-size: 14px;
}

/* ─── Sidebar ─────────────────────────────── */
.admin-sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0;
  z-index: 500; overflow-y: auto;
  transition: transform var(--transition);
}
.sidebar-brand {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-logo-mark {
  width: 34px; height: 34px;
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border-radius: 4px;
  display: grid; place-items: center;
  font-family: var(--font-serif);
  font-weight: 600; font-size: 1rem;
  color: #111;
}
.sidebar-brand-name {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  line-height: 1.1;
}
.sidebar-brand-name small {
  display: block;
  font-family: var(--font);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-top: 1px;
}
.sidebar-brand-name span { color: var(--gold); }

.sidebar-nav { flex: 1; padding: 16px 0; }
.nav-section-label {
  padding: 12px 20px 6px;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
  font-weight: 600;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px;
  color: var(--text-2);
  font-size: 0.85rem; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  border-left: 2px solid transparent;
  text-decoration: none;
  user-select: none;
}
.nav-item svg { width: 16px; height: 16px; flex-shrink: 0; opacity: 0.7; }
.nav-item:hover {
  color: var(--text-1);
  background: rgba(255,255,255,0.04);
}
.nav-item.active {
  color: var(--gold);
  background: var(--gold-dim);
  border-left-color: var(--gold);
}
.nav-item.active svg { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--gold);
  color: #111;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px; text-align: center;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
}
.user-avatar {
  width: 32px; height: 32px;
  background: var(--gold-dim);
  border: 1px solid var(--border-gold);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.8rem; color: var(--gold);
  font-weight: 600; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-info strong { display: block; font-size: 0.82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-info small { display: block; font-size: 0.68rem; color: var(--text-3); text-transform: capitalize; }
.btn-logout {
  background: none; border: none;
  color: var(--text-3); cursor: pointer;
  padding: 4px; border-radius: var(--radius);
  transition: var(--transition);
}
.btn-logout:hover { color: var(--danger); }

/* ─── Main Area ───────────────────────────── */
.admin-main {
  margin-left: var(--sidebar-w);
  flex: 1; display: flex; flex-direction: column; min-height: 100vh;
}
.admin-topbar {
  height: 60px;
  background: var(--panel-bg);
  border-bottom: 1px solid var(--border);
  padding: 0 28px;
  display: flex; align-items: center; gap: 16px;
  position: sticky; top: 0; z-index: 400;
}
.topbar-breadcrumb {
  font-size: 0.82rem; color: var(--text-2);
  display: flex; align-items: center; gap: 6px;
}
.topbar-breadcrumb a { color: var(--text-3); transition: var(--transition); }
.topbar-breadcrumb a:hover { color: var(--text-2); }
.topbar-breadcrumb span { color: var(--text-1); }
.topbar-sep { color: var(--text-3); }
.topbar-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.topbar-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  font-size: 0.78rem; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  text-decoration: none;
}
.topbar-btn:hover { border-color: var(--border-gold); color: var(--gold); }
.topbar-btn-primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  border-color: transparent;
  color: #111; font-weight: 600;
}
.topbar-btn-primary:hover { opacity: 0.9; color: #111; }

.admin-content { flex: 1; padding: 32px 28px; }

/* ─── Widget Cards ────────────────────────── */
.widget-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 32px;
}
.widget-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px 22px;
  position: relative; overflow: hidden;
  transition: var(--transition);
}
.widget-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold-dark), var(--gold), transparent);
  opacity: 0; transition: var(--transition);
}
.widget-card:hover { border-color: var(--border-gold); }
.widget-card:hover::before { opacity: 1; }
.widget-icon {
  width: 40px; height: 40px;
  background: var(--gold-dim);
  border-radius: var(--radius);
  display: grid; place-items: center;
  margin-bottom: 14px;
  color: var(--gold);
}
.widget-icon svg { width: 20px; height: 20px; }
.widget-label {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 4px;
}
.widget-value {
  font-family: var(--font-serif);
  font-size: 2.4rem; line-height: 1;
  color: var(--text-1);
  font-weight: 400;
}
.widget-change {
  font-size: 0.72rem;
  margin-top: 6px;
  color: var(--text-3);
}
.widget-change.up   { color: var(--success); }
.widget-change.down { color: var(--danger); }

/* ─── Chart Panels ────────────────────────── */
.chart-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 20px;
  margin-bottom: 28px;
}
.chart-panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 22px;
}
.chart-panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px;
}
.chart-panel-header h3 {
  font-size: 0.9rem; font-weight: 600;
  font-family: var(--font);
  color: var(--text-1);
}
.chart-panel canvas { max-height: 280px; }

/* ─── Data Tables ─────────────────────────── */
.admin-table-wrap {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.table-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
  gap: 12px; flex-wrap: wrap;
}
.table-header h3 { font-size: 0.92rem; font-weight: 600; }
.table-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
}
.table-search input {
  background: none; border: none; outline: none;
  color: var(--text-1); font-size: 0.82rem; font-family: var(--font);
  width: 200px;
}
.table-search input::placeholder { color: var(--text-3); }
.table-search svg { width: 14px; height: 14px; color: var(--text-3); flex-shrink: 0; }
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  padding: 11px 16px;
  text-align: left;
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  border-bottom: 1px solid var(--border);
  background: var(--panel-3);
  font-weight: 600;
}
.admin-table td {
  padding: 12px 16px;
  font-size: 0.85rem;
  color: var(--text-2);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.admin-table .artwork-thumb {
  width: 42px; height: 42px;
  object-fit: cover; border-radius: var(--radius);
  background: var(--panel-3);
}
.admin-table .artist-avatar {
  width: 34px; height: 34px;
  object-fit: cover; border-radius: 50%;
  background: var(--panel-3);
}
.table-actions { display: flex; gap: 6px; }
.table-action-btn {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  background: var(--panel-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-2);
  cursor: pointer; transition: var(--transition);
}
.table-action-btn svg { width: 13px; height: 13px; }
.table-action-btn:hover { border-color: var(--border-gold); color: var(--gold); }
.table-action-btn.danger:hover { border-color: rgba(224,85,85,0.5); color: var(--danger); }

/* Status Pills */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 20px;
  font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase;
}
.pill::before {
  content: '';
  width: 5px; height: 5px; border-radius: 50%;
  background: currentColor;
}
.pill-available { background:rgba(76,201,120,0.12); color: #4cc978; }
.pill-reserved  { background:rgba(201,168,76,0.12); color: var(--gold); }
.pill-sold      { background:rgba(224,85,85,0.12);  color: var(--danger); }
.pill-archived  { background:rgba(128,128,128,0.12);color: #888; }
.pill-paid      { background:rgba(76,201,120,0.12); color: #4cc978; }
.pill-pending   { background:rgba(76,156,224,0.12); color: var(--info); }
.pill-draft     { background:rgba(128,128,128,0.12);color: #888; }

/* ─── Admin Forms ─────────────────────────── */
.admin-form {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row.thirds { grid-template-columns: 1fr 1fr 1fr; }
.form-row.full   { grid-template-columns: 1fr; }
.admin-form-group { margin-bottom: 20px; }
.admin-form-label {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
  margin-bottom: 7px;
  font-weight: 600;
}
.admin-form-label span { color: var(--danger); margin-left: 2px; }
.admin-form-control {
  width: 100%; padding: 9px 14px;
  background: var(--panel-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-1);
  font-family: var(--font); font-size: 0.88rem;
  outline: none; transition: var(--transition);
}
.admin-form-control:focus {
  border-color: var(--border-gold);
  box-shadow: 0 0 0 2px var(--gold-dim);
  background: var(--panel-2);
}
.admin-form-control::placeholder { color: var(--text-3); }
select.admin-form-control { cursor: pointer; }
textarea.admin-form-control { resize: vertical; min-height: 100px; }
.admin-form-hint { font-size: 0.72rem; color: var(--text-3); margin-top: 5px; }

/* Image Upload Area */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 20px;
  text-align: center;
  cursor: pointer; transition: var(--transition);
}
.upload-zone:hover { border-color: var(--border-gold); }
.upload-zone.dragover { border-color: var(--gold); background: var(--gold-dim); }
.upload-zone-icon { font-size: 2rem; margin-bottom: 10px; opacity: 0.5; }
.upload-zone p { font-size: 0.85rem; color: var(--text-2); }
.upload-zone small { font-size: 0.72rem; color: var(--text-3); }
.upload-preview {
  display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px;
}
.upload-preview-item {
  position: relative;
  width: 80px; height: 80px;
  border-radius: var(--radius); overflow: hidden;
}
.upload-preview-item img { width:100%;height:100%;object-fit:cover; }
.upload-preview-item .remove {
  position: absolute; top: 3px; right: 3px;
  width: 18px; height: 18px;
  background: rgba(0,0,0,0.7);
  border-radius: 50%; border: none;
  color: #fff; font-size: 10px;
  cursor: pointer; display:grid;place-items:center;
}

/* ─── Modals ──────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(4px);
  z-index: 800;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity 0.25s;
}
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 90%; max-width: 640px;
  max-height: 90vh; overflow-y: auto;
  transform: translateY(24px); transition: transform 0.3s;
  box-shadow: var(--shadow);
}
.modal-overlay.open .modal { transform: none; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-header h3 { font-size: 1rem; font-weight: 600; }
.modal-close {
  background: none; border: none;
  color: var(--text-3); cursor: pointer;
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: var(--radius); transition: var(--transition);
}
.modal-close:hover { color: var(--text-1); background: var(--panel-3); }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex; gap: 10px; justify-content: flex-end;
}

/* ─── Admin Buttons ───────────────────────── */
.admin-btn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 18px;
  border-radius: var(--radius);
  font-size: 0.8rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase;
  border: none; cursor: pointer; transition: var(--transition);
  text-decoration: none; white-space: nowrap;
}
.admin-btn svg { width: 14px; height: 14px; }
.admin-btn-primary {
  background: linear-gradient(135deg, var(--gold-dark), var(--gold));
  color: #111;
}
.admin-btn-primary:hover { opacity: 0.9; }
.admin-btn-secondary { background: var(--panel-3); border: 1px solid var(--border); color: var(--text-2); }
.admin-btn-secondary:hover { border-color: var(--border-gold); color: var(--gold); }
.admin-btn-danger { background: rgba(224,85,85,0.15); border: 1px solid rgba(224,85,85,0.3); color: var(--danger); }
.admin-btn-danger:hover { background: rgba(224,85,85,0.25); }

/* ─── Responsive Admin ────────────────────── */
@media (max-width: 1024px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: none; }
  .admin-main { margin-left: 0; }
  .chart-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .admin-content { padding: 20px 16px; }
  .widget-grid { grid-template-columns: 1fr 1fr; }
}