@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@600;700&family=DM+Sans:wght@400;500;600&display=swap');

:root {
  --gold:         #b98413;
  --gold-dark:    #7a5610;
  --gold-pale:    #fdf6e3;
  --gold-border:  #e8c870;
  --dark:         #1a1612;
  --white:        #ffffff;
  --off-white:    #fafaf8;
  --surface:      #f5f0e8;
  --text:         #1a1612;
  --muted:        #8a7a60;
  --border:       #ede5d0;
  --success:      #2e7d52;
  --danger:       #c0392b;
  --sidebar-w:    230px;
  --topbar-h:     44px;
}

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

body {
  font-family: 'DM Sans', system-ui, sans-serif;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  min-height: 100vh;
}

/* ── Topbar ── */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--topbar-h);
  background: var(--dark);
  display: flex; align-items: center; padding: 0 20px;
  gap: 16px;
}
.topbar-logo {
  font-family: 'Playfair Display', serif;
  font-size: 20px; font-weight: 700;
  color: var(--gold); letter-spacing: 2px;
  text-decoration: none;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.topbar-user  { color: rgba(255,255,255,0.7); font-size: 13px; }
.btn-logout {
  background: transparent; border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.7); padding: 5px 12px; border-radius: 4px;
  cursor: pointer; font-size: 12px; font-family: inherit;
}
.btn-logout:hover { border-color: var(--gold); color: var(--gold); }

/* ── Layout ── */
.layout { display: flex; padding-top: var(--topbar-h); min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w); min-height: calc(100vh - var(--topbar-h));
  background: var(--white); border-right: 1px solid var(--border);
  position: fixed; top: var(--topbar-h); left: 0;
  display: flex; flex-direction: column; padding: 20px 0 16px;
  z-index: 50;
}
.sidebar-badge {
  margin: 0 16px 20px;
  background: var(--gold-pale); border: 1px solid var(--gold-border);
  color: var(--gold-dark); padding: 4px 10px; border-radius: 20px;
  font-size: 11px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.5px; display: inline-block;
}
.sidebar-nav { flex: 1; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; color: var(--muted); text-decoration: none;
  font-size: 13px; font-weight: 500; border-left: 3px solid transparent;
  transition: all 0.15s;
}
.sidebar-nav a:hover { color: var(--text); background: var(--surface); }
.sidebar-nav a.active { color: var(--gold-dark); background: var(--gold-pale); border-left-color: var(--gold); }
.sidebar-nav .nav-icon { font-size: 16px; width: 20px; text-align: center; }

/* ── Main content ── */
.main {
  margin-left: var(--sidebar-w);
  flex: 1; padding: 28px 32px;
  min-height: calc(100vh - var(--topbar-h));
}

/* ── Page header ── */
.page-header { margin-bottom: 24px; }
.page-header h1 { font-family: 'Playfair Display', serif; font-size: 24px; font-weight: 700; color: var(--dark); }
.page-header p  { color: var(--muted); margin-top: 4px; }

/* ── Cards ── */
.card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: 8px; padding: 20px;
}
.card-title { font-size: 13px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.card-value { font-size: 28px; font-weight: 600; color: var(--dark); }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }

/* ── Buttons ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 6px; font-size: 13px;
  font-weight: 500; cursor: pointer; font-family: inherit;
  border: none; text-decoration: none; transition: all 0.15s;
}
.btn-primary   { background: var(--gold); color: #fff; }
.btn-primary:hover { background: var(--gold-dark); }
.btn-secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-danger    { background: var(--danger); color: #fff; }
.btn-success   { background: var(--success); color: #fff; }
.btn-sm        { padding: 5px 10px; font-size: 12px; }
.btn-outline   { background: transparent; border: 1px solid var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--gold-pale); }
.btn:disabled  { opacity: 0.5; cursor: not-allowed; }

/* ── Tables ── */
.table-wrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--border); background: var(--white); }
table { width: 100%; border-collapse: collapse; }
thead th {
  background: var(--surface); padding: 10px 14px;
  text-align: left; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.5px; color: var(--muted);
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--gold-pale); }

/* ── Forms ── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.3px; }
.form-control {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: 6px; font-family: inherit; font-size: 14px; color: var(--text);
  background: var(--white); transition: border-color 0.15s;
}
.form-control:focus { outline: none; border-color: var(--gold); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

/* ── Badges / Status ── */
.badge {
  display: inline-block; padding: 3px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px;
}
.badge-admin    { background: #1a1612; color: #b98413; }
.badge-supplier { background: #e8f5ee; color: #2e7d52; }
.badge-customer { background: var(--gold-pale); color: var(--gold-dark); }
.badge-pending  { background: #fff3cd; color: #7a5610; }
.badge-confirmed { background: #e8f5ee; color: #2e7d52; }
.badge-collected { background: #d1ecf1; color: #0c5460; }
.badge-delivered { background: #d4edda; color: #155724; }
.badge-cancelled { background: #f8d7da; color: #721c24; }
.badge-uploaded  { background: #e8f5ee; color: #2e7d52; }
.badge-processing { background: #fff3cd; color: #7a5610; }
.badge-processed  { background: #d4edda; color: #155724; }
.badge-failed     { background: #f8d7da; color: #721c24; }

/* ── Modals ── */
.modal-overlay {
  display: none; position: fixed; inset: 0; z-index: 200;
  background: rgba(0,0,0,0.6); align-items: center; justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal {
  background: var(--white); border-radius: 12px; width: 600px; max-width: 95vw;
  max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
.modal-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 16px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--muted); }
.modal-body   { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ── Category filters ── */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.filter-btn {
  padding: 6px 14px; border-radius: 20px; border: 1px solid var(--border);
  background: var(--white); cursor: pointer; font-size: 12px; font-weight: 500;
  color: var(--muted); transition: all 0.15s; font-family: inherit;
}
.filter-btn:hover, .filter-btn.active { background: var(--gold); border-color: var(--gold); color: #fff; }

/* ── Availability dots ── */
.avail-dots { display: flex; gap: 3px; flex-wrap: wrap; max-width: 80px; }
.avail-dot  { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); }
.avail-dot.empty { background: var(--border); }

/* ── Loading page ── */
.login-page {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--dark); background-image: radial-gradient(ellipse at 30% 40%, rgba(185,132,19,0.08) 0%, transparent 60%);
}
.login-card {
  background: var(--white); border-radius: 12px; padding: 48px 40px;
  width: 400px; max-width: 95vw; box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.login-logo {
  font-family: 'Playfair Display', serif; font-size: 32px; font-weight: 700;
  color: var(--gold); letter-spacing: 3px; text-align: center; margin-bottom: 6px;
}
.login-sub { text-align: center; color: var(--muted); font-size: 13px; margin-bottom: 32px; }

/* ── Alerts ── */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }
.alert-success { background: #e8f5ee; color: #2e7d52; border: 1px solid #2e7d52; }
.alert-error   { background: #fdecea; color: var(--danger); border: 1px solid var(--danger); }
.alert-info    { background: var(--gold-pale); color: var(--gold-dark); border: 1px solid var(--gold-border); }

/* ── Upload zones ── */
.upload-zone {
  border: 2px dashed var(--border); border-radius: 8px; padding: 40px 24px;
  text-align: center; cursor: pointer; transition: all 0.2s;
}
.upload-zone:hover, .upload-zone.drag-over { border-color: var(--gold); background: var(--gold-pale); }
.upload-zone-icon { font-size: 40px; margin-bottom: 12px; }
.upload-zone p { color: var(--muted); font-size: 13px; }

/* ── Supplier cards ── */
.supplier-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }

/* ── Date tabs ── */
.date-tabs { display: flex; gap: 4px; margin-bottom: 24px; }
.date-tab {
  padding: 8px 16px; border-radius: 6px 6px 0 0; border: 1px solid var(--border);
  border-bottom: none; cursor: pointer; font-size: 13px; font-weight: 500;
  color: var(--muted); background: var(--surface); font-family: inherit;
}
.date-tab.active { background: var(--white); color: var(--gold-dark); border-color: var(--border); }

/* ── Price comparison rows ── */
.comparison-row td { vertical-align: top; }
.comparison-row.expanded td { background: var(--gold-pale); }
.supplier-quote-row td { background: var(--surface); font-size: 13px; }
.supplier-quote-row.winner td { background: #e8f5ee; }
.profit-footer td { background: var(--dark); color: var(--white); font-size: 13px; }

/* ── QC photo modal ── */
.photo-modal-img { width: 100%; border-radius: 8px; object-fit: contain; max-height: 70vh; }

/* ── Misc ── */
.text-muted   { color: var(--muted); }
.text-gold    { color: var(--gold); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.gap-8 { gap: 8px; }
.flex  { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.loading-ref {
  display: inline-block; background: var(--dark); color: #fff;
  padding: 6px 14px; border-radius: 4px; font-family: monospace;
  font-size: 16px; font-weight: 700; letter-spacing: 3px; color: var(--gold);
}
.empty-state { text-align: center; padding: 60px 20px; color: var(--muted); }
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }

@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .sidebar.open { transform: translateX(0); }
  .main { margin-left: 0; padding: 16px; }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
}