/* =====================================================
   SiInventaris — Sistem Inventaris SD Muhammadiyah Plus Malangjiwan
   Design: Clean educational administrative system
   ===================================================== */

:root {
    --primary: #1a3a5c;
    --primary-light: #2563a8;
    --primary-dark: #0f2438;
    --accent: #f59e0b;
    --accent-light: #fcd34d;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --info: #0284c7;
    --bg: #f0f4f8;
    --surface: #ffffff;
    --surface-2: #f8fafc;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-2: #475569;
    --text-3: #94a3b8;
    --sidebar-w: 260px;
    --radius: 10px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 2px 8px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.10);
}

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

body {
    font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.6;
}

/* ---- LAYOUT ---- */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ---- SIDEBAR ---- */
.sidebar {
    width: var(--sidebar-w);
    background: var(--primary-dark);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform 0.3s;
    overflow-y: auto;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.brand-icon {
    width: 40px; height: 40px;
    background: var(--accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.brand-name {
    display: block;
    font-size: 16px;
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.3px;
}

.brand-sub {
    display: block;
    font-size: 10px;
    color: rgba(255,255,255,0.45);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.nav-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.3);
    text-transform: uppercase;
    padding: 16px 8px 6px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 10px;
    border-radius: 8px;
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
    margin-bottom: 1px;
}

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

.nav-item.active {
    background: var(--primary-light);
    color: #fff;
    font-weight: 600;
}

.nav-icon { font-size: 16px; width: 20px; text-align: center; }

.sidebar-footer {
    padding: 14px 16px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

.user-avatar {
    width: 34px; height: 34px;
    background: var(--accent);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700; color: var(--primary-dark);
    flex-shrink: 0;
}

.user-name { font-size: 13px; font-weight: 600; color: #fff; }
.user-role { font-size: 11px; color: rgba(255,255,255,0.4); text-transform: capitalize; }

.btn-logout {
    display: block;
    text-align: center;
    padding: 7px;
    background: rgba(220,38,38,0.15);
    color: #fca5a5;
    border-radius: 7px;
    text-decoration: none;
    font-size: 12px;
    font-weight: 600;
    transition: background 0.2s;
}
.btn-logout:hover { background: rgba(220,38,38,0.3); color: #fff; }

/* ---- MAIN CONTENT ---- */
.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow);
}

.btn-toggle {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-2);
    display: none;
    padding: 4px 8px;
}

.topbar-title {
    font-weight: 700;
    font-size: 15px;
    color: var(--text);
}

.topbar-right {
    margin-left: auto;
    font-size: 12px;
    color: var(--text-3);
    font-weight: 500;
}

.content-body {
    padding: 24px;
    flex: 1;
}

/* ---- CARDS ---- */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    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;
}

.card-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
}

.card-body { padding: 20px; }

/* ---- STAT CARDS ---- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 18px 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    transition: transform 0.2s, box-shadow 0.2s;
}

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

.stat-icon {
    width: 48px; height: 48px;
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.blue { background: #dbeafe; }
.stat-icon.green { background: #d1fae5; }
.stat-icon.yellow { background: #fef3c7; }
.stat-icon.red { background: #fee2e2; }
.stat-icon.purple { background: #ede9fe; }

.stat-value {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    line-height: 1;
    font-family: 'JetBrains Mono', monospace;
}

.stat-label {
    font-size: 12px;
    color: var(--text-2);
    margin-top: 2px;
    font-weight: 500;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

thead th {
    background: var(--surface-2);
    padding: 10px 14px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-2);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
}

tbody td {
    padding: 11px 14px;
    border-bottom: 1px solid var(--border);
    color: var(--text);
    vertical-align: middle;
}

tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: none; }

/* ---- BADGES ---- */
.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success { background: #d1fae5; color: #065f46; }
.badge-warning { background: #fef3c7; color: #92400e; }
.badge-danger { background: #fee2e2; color: #991b1b; }
.badge-info { background: #dbeafe; color: #1e40af; }
.badge-secondary { background: #f1f5f9; color: #475569; }
.badge-primary { background: #dbeafe; color: #1e3a8a; }

/* ---- BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}

.btn-primary { background: var(--primary-light); color: #fff; }
.btn-primary:hover { background: var(--primary); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #047857; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #b45309; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-secondary { background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--border); }
.btn-info { background: var(--info); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn-xs { padding: 3px 8px; font-size: 11px; border-radius: 6px; }

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

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-2);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    transition: border-color 0.2s;
    outline: none;
}

.form-control:focus { border-color: var(--primary-light); }

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 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 32px; }

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

/* ---- ALERTS ---- */
.alert {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fca5a5; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #93c5fd; }

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

.page-header h1 {
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
}

.page-header p {
    font-size: 13px;
    color: var(--text-2);
    margin-top: 2px;
}

/* ---- SAW SPECIFIC ---- */
.saw-header {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
    color: #fff;
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
}

.saw-header h2 { font-size: 18px; font-weight: 800; margin-bottom: 6px; }
.saw-header p { font-size: 13px; opacity: 0.8; }

.priority-1 { background: #fef3c7; font-weight: 700; }
.priority-2 { background: #f0fdf4; }
.priority-3 { background: #eff6ff; }

.rank-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px; height: 28px;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 800;
}

.rank-1 { background: #f59e0b; color: #fff; }
.rank-2 { background: #94a3b8; color: #fff; }
.rank-3 { background: #b45309; color: #fff; }
.rank-other { background: var(--border); color: var(--text-2); }

.progress-bar {
    height: 6px;
    background: var(--border);
    border-radius: 10px;
    overflow: hidden;
    min-width: 80px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-light), var(--accent));
    border-radius: 10px;
    transition: width 0.5s;
}

/* ---- LOGIN PAGE ---- */
.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 60%, #1d4ed8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-box {
    background: var(--surface);
    border-radius: 16px;
    padding: 36px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 24px;
}

.login-logo .logo-icon {
    width: 64px; height: 64px;
    background: var(--accent);
    border-radius: 16px;
    display: inline-flex;
    align-items: center; justify-content: center;
    font-size: 32px;
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 22px;
    font-weight: 800;
    color: var(--text);
}

.login-logo p {
    font-size: 12px;
    color: var(--text-3);
    margin-top: 4px;
}

/* ---- SEARCH & FILTER ---- */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    align-items: center;
}

.search-input {
    flex: 1;
    min-width: 200px;
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    outline: none;
}

.search-input:focus { border-color: var(--primary-light); }

/* ---- MODAL ---- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

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

.modal {
    background: var(--surface);
    border-radius: 14px;
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-md);
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title { font-size: 15px; font-weight: 700; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-3); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-end; }

/* ---- PAGINATION ---- */
.pagination {
    display: flex;
    gap: 6px;
    justify-content: center;
    margin-top: 16px;
}

.page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px; height: 32px;
    border-radius: 7px;
    border: 1px solid var(--border);
    font-size: 13px;
    text-decoration: none;
    color: var(--text-2);
    transition: all 0.2s;
}

.page-link:hover, .page-link.active { background: var(--primary-light); color: #fff; border-color: var(--primary-light); }

/* ---- EMPTY STATE ---- */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    color: var(--text-3);
}

.empty-state .empty-icon { font-size: 48px; margin-bottom: 12px; }
.empty-state h3 { font-size: 15px; color: var(--text-2); margin-bottom: 6px; }
.empty-state p { font-size: 13px; }

/* ---- GRID ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ---- PRINT ---- */
@media print {
    .sidebar, .topbar, .btn, .filter-bar { display: none !important; }
    .main-content { margin-left: 0; }
    .card { box-shadow: none; border: 1px solid #ddd; }
}

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    .sidebar.open {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .btn-toggle { display: block; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .topbar-right { display: none; }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
    .content-body { padding: 16px; }
}