/* ===== DMS Korporat - Dark Dashboard CSS ===== */
:root {
    --sidebar-bg: #1a1d23;
    --sidebar-hover: #252830;
    --sidebar-active: #2d313a;
    --sidebar-text: #8b8fa3;
    --sidebar-text-active: #ffffff;
    --navbar-bg: #1e2128;
    --body-bg: #f0f2f5;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    --dark: #1e293b;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.07), 0 10px 15px rgba(0,0,0,0.1);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 14px; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--body-bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ===== LAYOUT ===== */
.app-wrapper { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
    overflow-y: auto;
}
.sidebar-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.sidebar-header .logo-icon {
    width: 38px; height: 38px;
    background: var(--primary);
    border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.2rem;
}
.sidebar-header h1 { font-size: 1rem; font-weight: 600; color: #fff; margin: 0; }
.sidebar-header small { display: block; font-size: 0.7rem; color: var(--sidebar-text); }
.sidebar-nav { padding: 0.75rem 0; flex: 1; }
.nav-item {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.65rem 1.5rem;
    color: var(--sidebar-text);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.15s;
    cursor: pointer;
    text-decoration: none;
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; border-left: 3px solid var(--primary); }
.nav-item i { width: 20px; text-align: center; font-size: 1rem; }
.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    font-size: 0.8rem;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 280px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Top Navbar */
.top-navbar {
    background: var(--navbar-bg);
    padding: 0 1.5rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}
.top-navbar .page-title { font-size: 1.1rem; font-weight: 600; color: #fff; }
.top-navbar .user-menu {
    display: flex; align-items: center; gap: 0.75rem;
    color: rgba(255,255,255,0.7); font-size: 0.9rem;
}
.top-navbar .user-menu .avatar {
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--primary); display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 0.8rem; font-weight: 600;
}

/* Content Wrapper */
.content-wrapper {
    padding: 1.5rem;
    flex: 1;
}

/* ===== PAGE HEADER ===== */
.page-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 1.5rem;
}
.page-header h2 { font-size: 1.35rem; font-weight: 700; color: var(--text); }
.page-header .subtitle { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.2rem; }

/* ===== STAT CARDS ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 1.25rem;
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    display: flex; align-items: center; gap: 1rem;
}
.stat-card .stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; color: #fff; flex-shrink: 0;
}
.stat-card .stat-info h3 { font-size: 1.5rem; font-weight: 700; color: var(--text); }
.stat-card .stat-info p { font-size: 0.8rem; color: var(--text-muted); margin: 0; }

/* ===== CARDS ===== */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--card-border);
    box-shadow: var(--shadow);
    margin-bottom: 1rem;
}
.card-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    font-size: 0.95rem;
    display: flex; justify-content: space-between; align-items: center;
}
.card-body { padding: 1.25rem; }
.card-footer {
    padding: 0.75rem 1.25rem;
    border-top: 1px solid var(--border);
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ===== TABLES ===== */
.table-responsive { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
table thead { background: #f8fafc; }
table th { 
    padding: 0.65rem 0.75rem; text-align: left; font-weight: 600;
    font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.03em;
    border-bottom: 2px solid var(--border);
}
table td { padding: 0.65rem 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
table tbody tr:hover { background: #f8fafc; }
table tbody tr:last-child td { border-bottom: none; }

/* ===== BADGES ===== */
.badge {
    display: inline-block; padding: 0.2rem 0.55rem;
    font-size: 0.75rem; font-weight: 600;
    border-radius: 999px;
    line-height: 1.4;
}
.badge-primary { background: #eef2ff; color: var(--primary); }
.badge-success { background: #f0fdf4; color: var(--success); }
.badge-warning { background: #fffbeb; color: #d97706; }
.badge-danger { background: #fef2f2; color: var(--danger); }
.badge-secondary { background: #f1f5f9; color: #475569; }
.badge-dark { background: #f1f5f9; color: #334155; }
.badge-info { background: #eff6ff; color: var(--info); }

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.5;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-warning:hover { background: #d97706; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #dc2626; }
.btn-info { background: var(--info); color: #fff; }
.btn-info:hover { background: #2563eb; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: #f8fafc; }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.8rem; }
.btn-lg { padding: 0.6rem 1.25rem; font-size: 1rem; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ===== FORMS ===== */
.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block; font-size: 0.85rem; font-weight: 500;
    margin-bottom: 0.35rem; color: var(--text);
}
.form-control {
    width: 100%;
    padding: 0.55rem 0.75rem;
    font-size: 0.9rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: #fff;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
    font-family: inherit;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.form-control::placeholder { color: #94a3b8; }
textarea.form-control { resize: vertical; min-height: 100px; }
select.form-control { appearance: none; background-image: url("data:image/svg+xml,..."); }
.form-text { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.25rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ===== ALERTS ===== */
.alert {
    padding: 0.75rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert-danger { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-warning { background: #fffbeb; border: 1px solid #fde68a; color: #92400e; }
.alert-info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* ===== PAGINATION ===== */
.pagination {
    display: flex; gap: 0.25rem; justify-content: center;
    margin-top: 1.5rem;
}
.page-link {
    padding: 0.4rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.15s;
}
.page-link:hover { background: #f1f5f9; }
.page-link.active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== MODAL ===== */
.modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center; justify-content: center;
}
.modal-overlay.show { display: flex; }
.modal {
    background: #fff;
    border-radius: 12px;
    max-width: 600px;
    width: 95%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    font-weight: 600;
}
.modal-body { padding: 1.25rem; }
.modal-footer {
    padding: 1rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex; gap: 0.5rem; justify-content: flex-end;
}
.modal-close { background: none; border: none; font-size: 1.3rem; cursor: pointer; color: var(--text-muted); }

/* ===== TOAST ===== */
.toast-container {
    position: fixed; top: 1rem; right: 1rem;
    z-index: 2000;
    display: flex; flex-direction: column; gap: 0.5rem;
}
.toast {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: #fff;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    min-width: 250px;
}
.toast-success { background: var(--success); }
.toast-danger { background: var(--danger); }
.toast-warning { background: var(--warning); }
@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== AUTH PAGE ===== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1a1d23 0%, #2d313a 100%);
    padding: 1rem;
}
.login-card {
    max-width: 420px; width: 100%;
    background: #fff;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .form-row { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 0.75rem; }
}

/* ===== MISC ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* ===== PRINT ===== */
@media print {
    .sidebar, .top-navbar { display: none; }
    .main-content { margin-left: 0; }
    .content-wrapper { padding: 0; }
    .card { box-shadow: none; border: 1px solid #ddd; }
    .btn { display: none; }
    .page-break { page-break-before: always; }
}