/* =======================================
   BuilderOffice - Design System
   건설현장 관리 웹앱
   ======================================= */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@300;400;500;600;700;900&display=swap');

/* === CSS Custom Properties === */
:root {
  /* Colors - Dark Theme */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(25, 35, 55, 0.85);
  --bg-sidebar: rgba(10, 14, 26, 0.95);
  --bg-input: rgba(30, 41, 59, 0.8);
  --bg-modal-overlay: rgba(0, 0, 0, 0.6);

  /* Accent Colors */
  --accent-primary: #06b6d4;
  --accent-primary-light: #22d3ee;
  --accent-primary-dark: #0891b2;
  --accent-secondary: #8b5cf6;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --accent-info: #3b82f6;

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --gradient-success: linear-gradient(135deg, #10b981, #06b6d4);
  --gradient-warning: linear-gradient(135deg, #f59e0b, #ef4444);
  --gradient-card: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(139, 92, 246, 0.05));

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #22d3ee;

  /* Borders */
  --border-color: rgba(148, 163, 184, 0.1);
  --border-color-hover: rgba(6, 182, 212, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(6, 182, 212, 0.15);

  /* Layout */
  --sidebar-width: 260px;
  --header-height: 70px;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* === Reset & Base === */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse at 20% 50%, rgba(6, 182, 212, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* === Layout === */
.app-container {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* === Sidebar === */
.sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}

.sidebar-header {
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.sidebar-logo .logo-icon {
  width: 42px;
  height: 42px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 12px rgba(6, 182, 212, 0.3);
}

.sidebar-logo .logo-text {
  display: flex;
  flex-direction: column;
}

.sidebar-logo .logo-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.sidebar-logo .logo-subtitle {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 1px;
  text-transform: uppercase;
}

.sidebar-nav {
  flex: 1;
  padding: 16px 12px;
  overflow-y: auto;
}

.nav-section-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  padding: 12px 12px 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--border-radius-sm);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-bottom: 2px;
  position: relative;
  overflow: hidden;
}

.nav-item:hover {
  background: rgba(6, 182, 212, 0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(6, 182, 212, 0.12);
  color: var(--accent-primary-light);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--gradient-primary);
  border-radius: 0 4px 4px 0;
}

.nav-item .nav-icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--border-color);
}

.sidebar-footer .current-date {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
}

/* === Main Content === */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  min-height: 100vh;
}

/* Header */
.main-header {
  height: var(--header-height);
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  background: rgba(10, 14, 26, 0.5);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
}

.page-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.page-title span {
  color: var(--accent-primary);
}

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

.header-search {
  position: relative;
}

.header-search input {
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 8px 16px 8px 38px;
  color: var(--text-primary);
  font-size: 13px;
  width: 220px;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.header-search input:focus {
  outline: none;
  border-color: var(--accent-primary);
  width: 280px;
  box-shadow: var(--shadow-glow);
}

.header-search input::placeholder {
  color: var(--text-muted);
}

.header-search .search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 14px;
}

/* Page Content */
.page-content {
  padding: 28px 32px;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Cards === */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  transition: all var(--transition-normal);
}

.card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Stat Cards */
.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--gradient-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  opacity: 0.05;
  transition: all var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.stat-card .stat-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}

.stat-card .stat-icon.blue { background: rgba(6, 182, 212, 0.15); color: var(--accent-primary-light); }
.stat-card .stat-icon.green { background: rgba(16, 185, 129, 0.15); color: var(--accent-success); }
.stat-card .stat-icon.purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-secondary); }
.stat-card .stat-icon.orange { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); }
.stat-card .stat-icon.red { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); }

.stat-card .stat-info {
  flex: 1;
}

.stat-card .stat-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -1px;
  line-height: 1.2;
}

.stat-card .stat-change {
  font-size: 12px;
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.stat-card .stat-change.up { color: var(--accent-success); }
.stat-card .stat-change.down { color: var(--accent-danger); }

/* === Tables === */
.table-container {
  overflow-x: auto;
  border-radius: var(--border-radius);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  padding: 14px 16px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
  background: rgba(15, 23, 42, 0.5);
  white-space: nowrap;
}

tbody td {
  padding: 14px 16px;
  font-size: 14px;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

tbody tr {
  transition: background var(--transition-fast);
}

tbody tr:hover {
  background: rgba(6, 182, 212, 0.04);
}

tbody tr:last-child td {
  border-bottom: none;
}

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

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 2px 8px rgba(6, 182, 212, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(6, 182, 212, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  border-color: var(--border-color-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.15);
  color: var(--accent-danger);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.25);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 12px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  justify-content: center;
  border-radius: var(--border-radius-sm);
}

/* === Forms === */
.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.1);
}

.form-control::placeholder {
  color: var(--text-muted);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* === Modal === */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-modal-overlay);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  width: 90%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 22px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* === Badge === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.badge-blue { background: rgba(6, 182, 212, 0.15); color: var(--accent-primary-light); }
.badge-green { background: rgba(16, 185, 129, 0.15); color: var(--accent-success); }
.badge-purple { background: rgba(139, 92, 246, 0.15); color: var(--accent-secondary); }
.badge-orange { background: rgba(245, 158, 11, 0.15); color: var(--accent-warning); }
.badge-red { background: rgba(239, 68, 68, 0.15); color: var(--accent-danger); }

/* === Toolbar / Filters === */
.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 20px;
}

.toolbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-select {
  padding: 8px 32px 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.filter-select:focus {
  outline: none;
  border-color: var(--accent-primary);
}

.filter-input {
  padding: 8px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  transition: border-color var(--transition-fast);
}

.filter-input:focus {
  outline: none;
  border-color: var(--accent-primary);
}

/* === Charts (CSS-based) === */
.chart-bar-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.chart-bar-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.chart-bar-label {
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 80px;
  text-align: right;
}

.chart-bar-track {
  flex: 1;
  height: 28px;
  background: rgba(30, 41, 59, 0.6);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}

.chart-bar-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  align-items: center;
  padding-left: 10px;
  font-size: 12px;
  font-weight: 600;
  color: white;
  min-width: fit-content;
}

.chart-bar-fill.cyan { background: linear-gradient(90deg, var(--accent-primary-dark), var(--accent-primary-light)); }
.chart-bar-fill.purple { background: linear-gradient(90deg, #7c3aed, #a78bfa); }
.chart-bar-fill.green { background: linear-gradient(90deg, #059669, #34d399); }
.chart-bar-fill.orange { background: linear-gradient(90deg, #d97706, #fbbf24); }
.chart-bar-fill.red { background: linear-gradient(90deg, #dc2626, #f87171); }
.chart-bar-fill.blue { background: linear-gradient(90deg, #2563eb, #60a5fa); }

.chart-bar-value {
  font-size: 13px;
  color: var(--text-secondary);
  min-width: 50px;
}

/* === Activity List === */
.activity-list {
  display: flex;
  flex-direction: column;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
  border-bottom: none;
}

.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.activity-icon.cost { background: rgba(6, 182, 212, 0.15); color: var(--accent-primary-light); }
.activity-icon.personnel { background: rgba(16, 185, 129, 0.15); color: var(--accent-success); }
.activity-icon.material { background: rgba(139, 92, 246, 0.15); color: var(--accent-secondary); }

.activity-info {
  flex: 1;
}

.activity-title {
  font-size: 14px;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.activity-time {
  font-size: 12px;
  color: var(--text-muted);
}

/* === Grid Layouts === */
.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 16px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 15px;
  margin-bottom: 20px;
}

/* === Action Buttons in Tables === */
.action-btns {
  display: flex;
  gap: 6px;
}

.action-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: all var(--transition-fast);
}

.action-btn.edit {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-info);
}

.action-btn.edit:hover {
  background: rgba(59, 130, 246, 0.2);
}

.action-btn.delete {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-danger);
}

.action-btn.delete:hover {
  background: rgba(239, 68, 68, 0.2);
}

/* === Amount Formatting === */
.amount {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.amount.positive { color: var(--accent-success); }
.amount.negative { color: var(--accent-danger); }

/* === Toast Notification === */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease;
  min-width: 280px;
}

.toast.success { border-left: 3px solid var(--accent-success); }
.toast.error { border-left: 3px solid var(--accent-danger); }
.toast.info { border-left: 3px solid var(--accent-info); }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* === Responsive === */
@media (max-width: 1024px) {
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .main-content {
    margin-left: 0;
  }

  .mobile-menu-btn {
    display: block;
  }

  .main-header {
    padding: 0 16px;
  }

  .page-content {
    padding: 20px 16px;
  }

  .header-search input {
    width: 160px;
  }

  .header-search input:focus {
    width: 200px;
  }

  .stat-cards {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .page-title {
    font-size: 18px;
  }
}

/* Mobile overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 99;
}

.sidebar-overlay.active {
  display: block;
}

/* === Scrollbar === */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.2);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(148, 163, 184, 0.4);
}

/* === Summary Row === */
.summary-row {
  display: flex;
  justify-content: flex-end;
  padding: 14px 16px;
  border-top: 2px solid var(--border-color);
  font-weight: 600;
  font-size: 15px;
}

.summary-row span {
  color: var(--text-muted);
  margin-right: 8px;
}

/* === Inventory cards === */
.inventory-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.inventory-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  transition: all var(--transition-normal);
}

.inventory-card:hover {
  border-color: var(--border-color-hover);
  box-shadow: var(--shadow-glow);
}

.inventory-card .inv-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.inventory-card .inv-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
}

.inventory-card .inv-detail {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.inventory-card .inv-stock {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 12px;
}

.inventory-card .inv-stock-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--accent-primary-light);
}

.inventory-card .inv-stock-unit {
  font-size: 14px;
  color: var(--text-muted);
}

/* Stock level indicator */
.stock-level {
  height: 4px;
  background: rgba(30, 41, 59, 0.6);
  border-radius: 2px;
  margin-top: 12px;
  overflow: hidden;
}

.stock-level-fill {
  height: 100%;
  border-radius: 2px;
  transition: width 0.6s ease;
}

.stock-level-fill.high { background: var(--accent-success); }
.stock-level-fill.medium { background: var(--accent-warning); }
.stock-level-fill.low { background: var(--accent-danger); }

/* === Tab Navigation === */
.tab-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0;
}

.tab-btn {
  padding: 10px 18px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-secondary);
}

.tab-btn.active {
  color: var(--accent-primary-light);
  border-bottom-color: var(--accent-primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}