@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-card-hover: rgba(255,255,255,0.07);
  --bg-glass: rgba(255,255,255,0.06);
  --border: rgba(255,255,255,0.08);
  --border-active: rgba(139,92,246,0.5);
  --text-primary: #f0f0f5;
  --text-secondary: #8b8b9e;
  --text-muted: #5a5a6e;
  --accent: #8b5cf6;
  --accent-light: #a78bfa;
  --accent-glow: rgba(139,92,246,0.3);
  --success: #10b981;
  --success-bg: rgba(16,185,129,0.12);
  --danger: #ef4444;
  --danger-bg: rgba(239,68,68,0.12);
  --warning: #f59e0b;
  --warning-bg: rgba(245,158,11,0.12);
  --info: #3b82f6;
  --info-bg: rgba(59,130,246,0.12);
  --gradient-1: linear-gradient(135deg, #8b5cf6, #6366f1);
  --gradient-2: linear-gradient(135deg, #06b6d4, #8b5cf6);
  --gradient-3: linear-gradient(135deg, #f59e0b, #ef4444);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* ============ LOGIN PAGE ============ */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(139,92,246,0.15), transparent 70%);
  top: -100px; right: -100px;
  animation: float 8s ease-in-out infinite;
}

.login-container::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(6,182,212,0.1), transparent 70%);
  bottom: -100px; left: -100px;
  animation: float 8s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-30px); }
}

.login-card {
  background: var(--bg-glass);
  backdrop-filter: blur(24px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 40px;
  width: 420px;
  max-width: 90vw;
  position: relative;
  z-index: 1;
  box-shadow: var(--shadow-lg);
}

.login-card .logo {
  text-align: center;
  margin-bottom: 36px;
}

.login-card .logo h1 {
  font-size: 28px;
  font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.login-card .logo p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 6px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-input {
  width: 100%;
  padding: 14px 16px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-1);
  color: #fff;
  box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-success:hover {
  background: #0d9668;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--danger);
  color: #fff;
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

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

.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 12px;
  border-radius: var(--radius-xs);
}

.btn-full {
  width: 100%;
}

.login-error {
  background: var(--danger-bg);
  border: 1px solid rgba(239,68,68,0.2);
  color: var(--danger);
  padding: 12px;
  border-radius: var(--radius-xs);
  font-size: 13px;
  margin-bottom: 16px;
  display: none;
}

/* ============ ADMIN LAYOUT ============ */
.admin-layout {
  display: none;
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  left: 0; top: 0;
  width: 260px;
  height: 100vh;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-brand {
  padding: 0 24px 24px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.sidebar-brand h2 {
  font-size: 20px;
  font-weight: 800;
  background: var(--gradient-2);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-brand span {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.sidebar-nav {
  flex: 1;
  padding: 8px 12px;
  overflow-y: auto;
}

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

.nav-item:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(139,92,246,0.12);
  color: var(--accent-light);
}

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

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.main-content {
  margin-left: 260px;
  padding: 32px;
  min-height: 100vh;
}

.page-header {
  margin-bottom: 28px;
}

.page-header h1 {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.page-header p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-top: 4px;
}

/* ============ STATS GRID ============ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-1);
  opacity: 0;
  transition: var(--transition);
}

.stat-card:hover::before { opacity: 1; }

.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-active);
  box-shadow: var(--shadow-md);
}

.stat-icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 16px;
}

.stat-icon.purple { background: rgba(139,92,246,0.15); }
.stat-icon.blue { background: rgba(59,130,246,0.15); }
.stat-icon.green { background: rgba(16,185,129,0.15); }
.stat-icon.orange { background: rgba(245,158,11,0.15); }
.stat-icon.cyan { background: rgba(6,182,212,0.15); }
.stat-icon.red { background: rgba(239,68,68,0.15); }
.stat-icon.pink { background: rgba(236,72,153,0.15); }

.stat-value {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -1px;
}

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

/* ============ CARDS & PANELS ============ */
.panel {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 24px;
  overflow: hidden;
}

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

.panel-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.panel-body {
  padding: 24px;
}

/* ============ PRODUCT CARDS ============ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.product-card:hover {
  border-color: var(--border-active);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.product-card-header {
  background: linear-gradient(135deg, rgba(139,92,246,0.08), rgba(99,102,241,0.05));
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.product-card-header h4 {
  font-size: 16px;
  font-weight: 600;
}

.product-card-header .product-id {
  font-size: 11px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.06);
  padding: 4px 10px;
  border-radius: 20px;
  font-family: monospace;
}

.product-card-body {
  padding: 20px 24px;
}

.kategori-list {
  list-style: none;
}

.kategori-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  transition: var(--transition);
}

.kategori-item:hover {
  background: rgba(255,255,255,0.05);
  border-color: var(--border);
}

.kategori-info {
  flex: 1;
}

.kategori-info .name {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.kategori-info .meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-secondary);
}

.kategori-actions {
  display: flex;
  gap: 6px;
}

.product-card-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}

.empty-state .emoji {
  font-size: 48px;
  margin-bottom: 16px;
}

.empty-state p {
  font-size: 14px;
}

/* ============ TABLES ============ */
.table-wrapper {
  overflow-x: auto;
}

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

thead th {
  text-align: left;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

tbody td {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

tbody tr:hover {
  background: rgba(255,255,255,0.02);
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* ============ MODAL ============ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s;
}

.modal-overlay.show {
  display: flex;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 500px;
  max-width: 90vw;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s;
}

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

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

.modal-close {
  width: 32px; height: 32px;
  border: none;
  background: var(--bg-card);
  border-radius: var(--radius-xs);
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.modal-close:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

.modal-body {
  padding: 24px;
}

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

textarea.form-input {
  min-height: 80px;
  resize: vertical;
}

/* ============ STOCK TEXTAREA ============ */
.stock-help {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.6;
}

.stock-help code {
  background: rgba(139,92,246,0.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--accent-light);
}

/* ============ TOAST ============ */
.toast-container {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-md);
  animation: slideInRight 0.3s;
}

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

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

.toast .toast-icon { font-size: 18px; }
.toast .toast-msg { font-size: 13px; flex: 1; }

/* ============ SECTION PAGES ============ */
.section-page {
  display: none;
}

.section-page.active {
  display: block;
  animation: fadeIn 0.3s;
}

/* ============ AKUN LIST IN MODAL ============ */
.akun-list-modal {
  max-height: 300px;
  overflow-y: auto;
}

.akun-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-card);
  border-radius: var(--radius-xs);
  margin-bottom: 6px;
  font-size: 13px;
}

.akun-item-row .akun-details {
  flex: 1;
}

.akun-item-row .akun-details span {
  color: var(--text-secondary);
}

/* ============ RESPONSIVE ============ */
.mobile-toggle {
  display: none;
  position: fixed;
  top: 16px; left: 16px;
  z-index: 200;
  width: 42px; height: 42px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 20px;
  align-items: center;
  justify-content: center;
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .sidebar {
    transform: translateX(-100%);
  }

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

  .main-content {
    margin-left: 0;
    padding: 20px;
    padding-top: 68px;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .login-card {
    padding: 32px 24px;
  }
}

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

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

::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.08);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.15);
}

/* ============ LOADING ============ */
.spinner {
  display: inline-block;
  width: 20px; height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.section-loading {
  text-align: center;
  padding: 48px;
}

/* ============ MISC ============ */
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.gap-8 { gap: 8px; }

.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-muted { color: var(--text-muted); }
.text-right { text-align: right; }
.font-mono { font-family: monospace; }

/* Sales and inventory accounting */
.finance-heading, .finance-section-title, .finance-period-line { display:flex; align-items:center; justify-content:space-between; gap:20px; flex-wrap:wrap; }
.finance-filters { display:flex; align-items:flex-end; gap:10px; flex-wrap:wrap; }
.finance-filters label { color:var(--text-secondary); font-size:12px; }
.finance-filters label span { margin-left:6px; color:var(--accent-light); }
.finance-filters input { margin-top:6px; padding:11px 12px; color-scheme:dark; }
.finance-period-line { margin-bottom:18px; }
.finance-period-line h2, .finance-section-title h2 { font-size:22px; }
.finance-section-title { margin:8px 0 20px; }
.eyebrow { color:var(--accent-light); font-size:11px; font-weight:700; letter-spacing:1.5px; display:block; margin-bottom:5px; }
.finance-kpis { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin-bottom:20px; }
.finance-kpis.compact { grid-template-columns:repeat(4,minmax(0,1fr)); }
.finance-kpi { background:linear-gradient(150deg,rgba(139,92,246,.09),var(--bg-card)); border:1px solid var(--border); border-radius:14px; padding:20px; min-width:0; }
.finance-kpi p { color:var(--text-secondary); font-size:12px; margin-bottom:14px; }
.finance-kpi strong { display:block; font-size:clamp(19px,1.8vw,27px); letter-spacing:-.6px; margin-bottom:10px; overflow-wrap:anywhere; }
.finance-kpi small { color:var(--text-secondary); font-size:11px; line-height:1.6; display:block; }
.finance-kpi.green { border-color:rgba(52,211,153,.3); background:linear-gradient(150deg,rgba(16,185,129,.12),var(--bg-card)); }
.finance-kpi.green strong { color:#5de5b4; }
.finance-kpi.negative strong { color:var(--danger); }
.finance-notice { background:rgba(245,158,11,.08); border:1px solid rgba(245,158,11,.22); border-radius:12px; padding:14px 18px; margin-bottom:20px; color:#edc482; font-size:12px; line-height:1.8; }
.finance-notice p + p { margin-top:6px; }
.finance-definition { color:var(--text-secondary); line-height:1.8; font-size:12px; margin-bottom:24px; }
.finance-badge { display:inline-block; color:#97cdbb; background:rgba(16,185,129,.09); padding:5px 9px; border-radius:7px; white-space:nowrap; font-size:11px; }
.finance-badge.warning, .data-missing { color:#e9b969; }
.finance-badge.warning { background:rgba(245,158,11,.09); }
.data-missing { font-size:.76em; letter-spacing:0; }
.finance-chart { width:100%; overflow-x:auto; }
.finance-chart svg { width:100%; min-width:510px; display:block; }
.chart-grid { stroke:rgba(255,255,255,.07); }
.chart-zero { stroke:rgba(255,255,255,.4); stroke-dasharray:4; }
.chart-label { font-size:12px; fill:#9a9ab0; font-family:inherit; }
.chart-legend { display:flex; align-items:center; gap:20px; color:var(--text-secondary); font-size:12px; margin-top:8px; flex-wrap:wrap; }
.chart-legend i { display:inline-block; width:8px; height:8px; border-radius:50%; margin-right:7px; }
.legend-revenue { background:#a78bfa; }.legend-profit { background:#34d399; }
.chart-legend small { margin-left:auto; font-size:11px; }
.month-link { color:var(--accent-light); background:none; border:0; cursor:pointer; font:inherit; font-weight:600; padding:5px; }
.selected-period { background:rgba(139,92,246,.1); }
.empty-finance { text-align:center; padding:32px; color:var(--text-secondary); }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.form-hint { font-size:12px; color:var(--text-secondary); line-height:1.7; margin:6px 0 16px; }
.panel-header .form-hint { margin-bottom:0; }
.restock-preview { background:rgba(139,92,246,.1); border:1px solid rgba(139,92,246,.25); border-radius:10px; padding:14px; font-size:12px; line-height:1.8; color:#cfc0f3; }
select.form-input { color-scheme:dark; } select.form-input option { background:var(--bg-secondary); }
.stat-value { overflow-wrap:anywhere; font-size:24px; }
@media(max-width:1100px) {
  .finance-kpis, .finance-kpis.compact { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media(max-width:768px) {
  .finance-kpi { padding:15px; }
  .finance-kpi strong { font-size:19px; }
  .finance-filters { width:100%; }.finance-filters label { flex:1; min-width:160px; }
  .finance-filters .btn { padding:12px; }
  .panel-header { flex-wrap:wrap; gap:12px; }.panel-header > .text-muted { font-size:11px; }
  .chart-legend { gap:12px; }.chart-legend small { margin-left:0; width:100%; }
  .form-row { grid-template-columns:1fr; gap:0; }
}