/* ==========================================================================
   Sistem Inventory Sparepart Roda Dua - Stylesheet
   ========================================================================== */

:root {
  --primary: #1a3a5c;
  --primary-dark: #10263e;
  --primary-light: #2c5680;
  --accent: #e8720c;
  --accent-dark: #c85e05;
  --success: #1e8e5a;
  --success-bg: #e6f4ee;
  --danger: #d64545;
  --danger-bg: #fceaea;
  --warning: #b8860b;
  --warning-bg: #fdf3e0;
  --bg: #f2f4f8;
  --card-bg: #ffffff;
  --border: #e3e7ee;
  --text: #1f2937;
  --text-muted: #6b7280;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08), 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-lg: 0 8px 24px rgba(16, 24, 40, 0.16);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14.5px;
}

button, input, select { font-family: inherit; font-size: inherit; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 30;
  transition: transform 0.25s ease;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.sidebar-brand .logo-mark {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; color: #fff; font-size: 16px;
  flex-shrink: 0;
}

.sidebar-brand .brand-text strong { display: block; font-size: 15px; line-height: 1.2; }
.sidebar-brand .brand-text span { font-size: 11.5px; color: rgba(255,255,255,0.65); }

.nav-list { list-style: none; padding: 14px 10px; margin: 0; flex: 1; }

.nav-list li + li { margin-top: 2px; }

.nav-link {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px;
  border-radius: 8px;
  color: rgba(255,255,255,0.78);
  text-decoration: none;
  cursor: pointer;
  font-size: 14px;
  transition: background 0.15s, color 0.15s;
  -webkit-user-select: none;
  user-select: none;
}

.nav-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.9; }

.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }

.nav-link.active {
  background: rgba(255,255,255,0.14);
  color: #fff;
  font-weight: 600;
  box-shadow: inset 3px 0 0 var(--accent);
}

.nav-badge {
  margin-left: auto;
  background: var(--danger);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  border-radius: 999px;
  padding: 1px 7px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 14px 18px;
  font-size: 11.5px;
  color: rgba(255,255,255,0.5);
  border-top: 1px solid rgba(255,255,255,0.1);
}

.sidebar-back {
  display: block;
  margin-top: 8px;
  color: rgba(255,255,255,0.8);
  text-decoration: none;
}

.sidebar-back:hover {
  color: #fff;
}

.main-area { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 26px;
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px;
  position: sticky; top: 0; z-index: 20;
}

.topbar h1 { font-size: 19px; margin: 0; }
.topbar .subtitle { font-size: 12.5px; color: var(--text-muted); margin-top: 2px; }

.topbar-actions { display: flex; gap: 10px; align-items: center; }

.menu-toggle {
  display: none;
  background: none; border: none; cursor: pointer;
  color: var(--text); padding: 6px;
}
.menu-toggle svg { width: 22px; height: 22px; }

.content { padding: 24px 26px 60px; flex: 1; }

.view { display: none; }
.view.active { display: block; animation: fadeIn 0.18s ease; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(4px);} to { opacity: 1; transform: none; } }

/* ---------- Cards & stats ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

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

.stat-card .stat-label { font-size: 12.5px; color: var(--text-muted); margin-bottom: 6px; }
.stat-card .stat-value { font-size: 24px; font-weight: 700; }
.stat-card .stat-value.accent { color: var(--accent); }
.stat-card .stat-value.danger { color: var(--danger); }
.stat-card .stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.card-header h2 { font-size: 15.5px; margin: 0; }
.card-header .hint { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.card-body { padding: 18px 20px; }

.two-col { display: grid; grid-template-columns: 1.3fr 1fr; gap: 18px; align-items: start; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 9px 15px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn svg { width: 15px; height: 15px; }
.btn:active { transform: scale(0.97); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }

.btn-secondary { background: var(--primary); color: #fff; }
.btn-secondary:hover { background: var(--primary-light); }

.btn-outline { background: #fff; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger-outline { background: #fff; border-color: var(--danger); color: var(--danger); }
.btn-danger-outline:hover { background: var(--danger-bg); }

.btn-sm { padding: 6px 10px; font-size: 12.5px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.icon-btn {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted);
  padding: 5px; border-radius: 6px;
  display: inline-flex;
}
.icon-btn:hover { background: var(--bg); color: var(--text); }
.icon-btn svg { width: 16px; height: 16px; }
.icon-btn.danger:hover { color: var(--danger); background: var(--danger-bg); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-muted);
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
tbody td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: #fafbfd; }
tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; }
.mono { font-variant-numeric: tabular-nums; }
.text-muted { color: var(--text-muted); }
.empty-row td { text-align: center; padding: 36px 12px; color: var(--text-muted); }

/* ---------- Badges / pills ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
}
.pill-success { background: var(--success-bg); color: var(--success); }
.pill-danger { background: var(--danger-bg); color: var(--danger); }
.pill-warning { background: var(--warning-bg); color: var(--warning); }
.pill-muted { background: var(--bg); color: var(--text-muted); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 16px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.full { grid-column: 1 / -1; }
.form-field label { font-size: 12.5px; font-weight: 600; color: var(--text); }
.form-field .req { color: var(--danger); }
.form-field input, .form-field select, .form-field textarea {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  outline: none;
}
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(26, 58, 92, 0.12);
}
.form-field .field-hint { font-size: 11.5px; color: var(--text-muted); }
.form-field .field-error { font-size: 12px; color: var(--danger); display: none; }
.form-field.has-error input, .form-field.has-error select { border-color: var(--danger); }
.form-field.has-error .field-error { display: block; }

.search-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.search-row input[type="text"], .search-row input[type="date"], .search-row select {
  padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
.search-row .search-box { position: relative; flex: 1; min-width: 200px; }
.search-row .search-box svg { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--text-muted); }
.search-row .search-box input { padding-left: 32px; width: 100%; }

.checkbox-row { display: flex; align-items: center; gap: 7px; font-size: 13px; -webkit-user-select: none; user-select: none; cursor: pointer; }
.checkbox-row input { width: 16px; height: 16px; }

/* Stock preview box on transaction forms */
.stock-preview {
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  display: none;
}
.stock-preview.show { display: block; }
.stock-preview .row { display: flex; justify-content: space-between; padding: 3px 0; }
.stock-preview .row strong { font-variant-numeric: tabular-nums; }

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(16, 24, 40, 0.45);
  display: none; align-items: flex-start; justify-content: center;
  padding: 40px 16px; overflow-y: auto; z-index: 100;
}
.modal-overlay.show { display: flex; }
.modal-box {
  background: #fff; border-radius: 12px; width: 100%; max-width: 560px;
  box-shadow: var(--shadow-lg);
  animation: modalIn 0.15s ease;
}
@keyframes modalIn { from { opacity: 0; transform: translateY(-10px) scale(0.98);} to { opacity: 1; transform: none; } }
.modal-header { padding: 18px 22px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { margin: 0; font-size: 16.5px; }
.modal-body { padding: 20px 22px; max-height: 65vh; overflow-y: auto; }
.modal-footer { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); padding: 4px; }
.modal-close svg { width: 20px; height: 20px; }

/* ---------- Toast ---------- */
.toast-stack { position: fixed; bottom: 20px; right: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--primary-dark); color: #fff;
  padding: 12px 16px; border-radius: 8px;
  font-size: 13.5px; box-shadow: var(--shadow-lg);
  display: flex; align-items: center; gap: 10px;
  min-width: 240px; max-width: 360px;
  animation: toastIn 0.2s ease;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
@keyframes toastIn { from { opacity: 0; transform: translateY(8px);} to { opacity: 1; transform: none; } }

/* ---------- Misc ---------- */
.badge-jenis-masuk { color: var(--success); font-weight: 700; }
.badge-jenis-keluar { color: var(--danger); font-weight: 700; }

.item-select-info {
  font-size: 12px; color: var(--text-muted); margin-top: 4px;
}

.low-stock-list { list-style: none; margin: 0; padding: 0; }
.low-stock-list li {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 0; border-bottom: 1px solid var(--border);
  font-size: 13.5px;
}
.low-stock-list li:last-child { border-bottom: none; }
.low-stock-list .item-name { font-weight: 600; }
.low-stock-list .item-meta { color: var(--text-muted); font-size: 12px; }

.footer-note { text-align: center; color: var(--text-muted); font-size: 12px; padding: 10px 0 0; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .sidebar { position: fixed; left: 0; top: 0; transform: translateX(-100%); box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .menu-toggle { display: inline-flex; }
  .content { padding: 18px 14px 50px; }
  .topbar { padding: 12px 16px; flex-wrap: wrap; row-gap: 10px; }
  .topbar .subtitle { display: none; }
  .topbar h1 { font-size: 16.5px; }
  .topbar-actions { flex-basis: 100%; justify-content: flex-end; }
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .form-grid { grid-template-columns: 1fr; }
  .sidebar-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 25; display: none; }
  .sidebar-overlay.show { display: block; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
}

/* ---------- Print ---------- */
@media print {
  .sidebar, .topbar, .btn, .search-row, .card-header .btn, .no-print { display: none !important; }
  .content { padding: 0; }
  .card { box-shadow: none; border: none; }
  body { background: #fff; }
}