/* BP Derma B2B Hub — Dark Distributor Theme */
:root {
  --bg:       #0f172a;
  --surface:  #1e293b;
  --surface2: #162032;
  --border:   #334155;
  --border2:  #1e3050;
  --cyan:     #06b6d4;
  --cyan-dim: #0891b2;
  --cyan-glow:rgba(6, 182, 212, 0.12);
  --text:     #f1f5f9;
  --muted:    #94a3b8;
  --muted2:   #64748b;
  --danger:   #f87171;
  --success:  #34d399;
  --warning:  #fbbf24;
  --info:     #60a5fa;
  --radius:   10px;
  --radius-sm:6px;
}

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

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

/* --- Layout --- */
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 32px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 50;
}

.app-header .brand { display: flex; flex-direction: column; gap: 2px; }

.app-header h1 {
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.3px;
}

.app-header .logo {
  font-size: 11px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 2px;
}

.header-actions {
  display: flex;
  gap: 12px;
  align-items: center;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 28px 24px;
}

/* --- Cards --- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s;
}

.card:hover { border-color: var(--cyan-dim); }

.card h3 {
  color: var(--cyan);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 8px;
}

.card p { color: var(--muted); font-size: 14px; }

/* --- Grid --- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
  text-decoration: none;
  font-family: inherit;
  white-space: nowrap;
}

.btn-primary {
  background: var(--cyan);
  color: var(--bg);
  border-color: var(--cyan);
}
.btn-primary:hover {
  background: var(--cyan-dim);
  border-color: var(--cyan-dim);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-secondary {
  background: transparent;
  color: var(--cyan);
  border-color: var(--cyan-dim);
}
.btn-secondary:hover { background: var(--cyan-glow); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}
.btn-ghost:hover { color: var(--text); background: rgba(255,255,255,0.05); }

.btn-danger {
  background: transparent;
  color: var(--danger);
  border-color: rgba(248, 113, 113, 0.4);
}
.btn-danger:hover { background: rgba(248, 113, 113, 0.08); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 13px 28px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; }

th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted2);
  border-bottom: 1px solid var(--border);
}

td {
  padding: 12px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
}

tr:hover td { background: rgba(6, 182, 212, 0.03); }

/* --- Status Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-pending    { background: rgba(251, 191, 36, 0.12); color: var(--warning); border: 1px solid rgba(251, 191, 36, 0.25); }
.badge-confirmed  { background: rgba(52, 211, 153, 0.12); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.25); }
.badge-processing { background: rgba(96, 165, 250, 0.12); color: var(--info);    border: 1px solid rgba(96, 165, 250, 0.25); }
.badge-shipped    { background: rgba(6, 182, 212, 0.12);  color: var(--cyan);    border: 1px solid rgba(6, 182, 212, 0.25); }
.badge-delivered  { background: rgba(52, 211, 153, 0.15); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.3); }
.badge-cancelled  { background: rgba(248, 113, 113, 0.12);color: var(--danger);  border: 1px solid rgba(248, 113, 113, 0.25); }
.badge-low        { background: rgba(248, 113, 113, 0.12);color: var(--danger);  border: 1px solid rgba(248, 113, 113, 0.25); }
.badge-ok         { background: rgba(52, 211, 153, 0.12); color: var(--success); border: 1px solid rgba(52, 211, 153, 0.25); }

/* --- Forms --- */
input, select, textarea {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-family: inherit;
  width: 100%;
  transition: border-color 0.18s, box-shadow 0.18s;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

input::placeholder { color: var(--muted2); }

label {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 5px;
  display: block;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group { margin-bottom: 16px; }

/* --- Stats Bar --- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.stat-card .stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--cyan);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 11px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 6px;
}

.stat-card .stat-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

/* --- Tab Bar --- */
.tab-bar {
  display: flex;
  gap: 2px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.tab-bar button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.18s;
  font-family: inherit;
  margin-bottom: -1px;
}

.tab-bar button:hover { color: var(--text); }
.tab-bar button.active { color: var(--cyan); border-bottom-color: var(--cyan); }

/* --- Product Cards --- */
.product-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  border-color: var(--cyan-dim);
  transform: translateY(-2px);
}

.product-card-icon {
  background: linear-gradient(135deg, var(--surface2) 0%, rgba(6, 182, 212, 0.05) 100%);
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  border-bottom: 1px solid var(--border);
}

.product-card-body { padding: 16px; flex: 1; display: flex; flex-direction: column; }
.product-card-name { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.product-card-vol  { font-size: 12px; color: var(--muted2); margin-bottom: 12px; }

.price-tiers {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 14px;
  flex: 1;
}

.price-tier {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 8px;
  border-radius: 4px;
  font-size: 12px;
}

.price-tier.active {
  background: var(--cyan-glow);
  border: 1px solid rgba(6, 182, 212, 0.2);
}

.price-tier .tier-name { color: var(--muted); }
.price-tier .tier-price { font-weight: 600; color: var(--text); }
.price-tier.active .tier-price { color: var(--cyan); }
.price-tier.active .tier-name  { color: var(--cyan); opacity: 0.8; }

.qty-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: auto;
}

.qty-btn {
  width: 30px;
  height: 30px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  cursor: pointer;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  flex-shrink: 0;
}

.qty-btn:hover { border-color: var(--cyan); color: var(--cyan); }

.qty-input {
  width: 50px;
  text-align: center;
  padding: 6px 4px;
  height: 30px;
}

.add-btn {
  flex: 1;
  padding: 7px 10px;
  font-size: 12px;
}

/* --- Cart / Order Panel --- */
.order-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - 200px);
  position: sticky;
  top: 80px;
}

.order-panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.order-panel-header h3 { color: var(--cyan); font-size: 15px; }
.order-panel-body { flex: 1; overflow-y: auto; padding: 12px 16px; }
.order-panel-footer { padding: 16px 20px; border-top: 1px solid var(--border); }

.cart-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px solid rgba(51, 65, 85, 0.5);
  gap: 8px;
}

.cart-item:last-child { border-bottom: none; }
.cart-item-name { font-size: 13px; font-weight: 500; }
.cart-item-meta { font-size: 12px; color: var(--muted); margin-top: 2px; }
.cart-item-price { font-size: 14px; font-weight: 600; color: var(--cyan); white-space: nowrap; }
.cart-remove { color: var(--muted2); cursor: pointer; background: none; border: none; padding: 2px 6px; font-size: 14px; transition: color 0.15s; }
.cart-remove:hover { color: var(--danger); }

.cart-total-row {
  display: flex;
  justify-content: space-between;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 14px;
}

.cart-total-row .total-label { color: var(--muted); }
.cart-total-row .total-value { color: var(--cyan); }

.cart-empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--muted2);
  font-size: 13px;
}

/* --- Orders List --- */
.order-row-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: border-color 0.2s;
}

.order-row-card:hover { border-color: var(--cyan-dim); }

.order-row-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
  gap: 8px;
}

.order-id { font-size: 14px; font-weight: 700; color: var(--cyan); }
.order-date { font-size: 12px; color: var(--muted2); }
.order-total { font-size: 16px; font-weight: 700; color: var(--text); }

.order-items-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.order-item-line {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--muted);
}

.order-item-line .item-qty { color: var(--muted2); }

/* --- Toolbar --- */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.toolbar h2 { font-size: 18px; font-weight: 600; color: var(--text); }

/* --- Loading / Empty States --- */
.loading {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted);
}

.spinner {
  width: 28px;
  height: 28px;
  border: 2px solid var(--border);
  border-top-color: var(--cyan);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto 14px;
}

@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--muted2);
  font-size: 14px;
}

.empty-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }

/* --- Toast Notification --- */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--surface);
  border: 1px solid var(--cyan);
  color: var(--text);
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  max-width: 320px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.toast.show { transform: translateY(0); opacity: 1; }
.toast.toast-error { border-color: var(--danger); }
.toast.toast-success { border-color: var(--success); }

/* --- Welcome Banner --- */
.welcome-banner {
  background: linear-gradient(135deg, var(--surface) 0%, rgba(6, 182, 212, 0.05) 100%);
  border: 1px solid rgba(6, 182, 212, 0.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.welcome-banner .welcome-text h2 { font-size: 18px; color: var(--cyan); font-weight: 700; }
.welcome-banner .welcome-text p  { font-size: 13px; color: var(--muted); margin-top: 2px; }
.welcome-meta { display: flex; gap: 20px; }

.welcome-chip {
  text-align: center;
}

.welcome-chip .chip-val { font-size: 20px; font-weight: 700; color: var(--text); }
.welcome-chip .chip-lbl { font-size: 11px; color: var(--muted2); text-transform: uppercase; letter-spacing: 1px; }

/* --- Divider --- */
.divider { border: none; border-top: 1px solid var(--border); margin: 20px 0; }

/* --- Info Row --- */
.info-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  font-size: 13px;
}

.info-row .info-label { color: var(--muted); }
.info-row .info-value { color: var(--text); font-weight: 500; }

/* --- Alert --- */
.alert {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  margin-bottom: 16px;
}

.alert-error   { background: rgba(248, 113, 113, 0.08); border: 1px solid rgba(248, 113, 113, 0.3); color: var(--danger); }
.alert-success { background: rgba(52, 211, 153, 0.08);  border: 1px solid rgba(52, 211, 153, 0.3); color: var(--success); }
.alert-info    { background: rgba(6, 182, 212, 0.08);   border: 1px solid rgba(6, 182, 212, 0.3);  color: var(--cyan); }

/* --- Two-column layout for distributor page --- */
.two-col-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 24px;
  align-items: start;
}

@media (max-width: 1024px) {
  .two-col-layout { grid-template-columns: 1fr; }
  .order-panel { position: static; max-height: none; }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .app-header { padding: 12px 16px; }
  .container  { padding: 16px; }
  .stats-bar  { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .welcome-banner { flex-direction: column; }
}

@media (max-width: 480px) {
  .stats-bar  { grid-template-columns: 1fr 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .app-header h1 { font-size: 15px; }
}