/* 
 * Professional SaaS Dashboard Theme 2026 
 * Concepts: Minimal + Premium + Clean UI
 */

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

:root {
    /* Primary Color Palette */
    --primary-deep: #0F172A;
    --primary-navy: #1E293B;
    --primary-slate: #334155;

    /* Secondary / Accent Colors */
    --accent-royal: #2563EB;
    --accent-bright: #3B82F6;
    --accent-soft: #DBEAFE;

    /* Status Colors */
    --status-success: #16A34A;
    --status-warning: #F59E0B;
    --status-danger: #DC2626;
    --status-info: #0891B2;

    /* Background & Borders */
    --bg-main: #F8FAFC;
    --bg-card: #FFFFFF;
    --border-color: #E2E8F0;

    /* Typography & Spacing */
    --font-main: 'IBM Plex Sans Thai', 'Prompt', sans-serif;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-soft: 0 4px 6px -1px rgb(0 0 0 / 0.05), 0 2px 4px -2px rgb(0 0 0 / 0.05);
    --shadow-premium: 0 10px 15px -3px rgb(0 0 0 / 0.04), 0 4px 6px -4px rgb(0 0 0 / 0.04);
}

/* Global Reset & Base */
body {
    background-color: var(--bg-main) !important;
    color: var(--primary-navy) !important;
    font-family: var(--font-main) !important;
    -webkit-font-smoothing: antialiased;
    letter-spacing: -0.01em;
}

/* Sidebar Modern ERP Style */
.main-sidebar, .sidebar, .bg-dark.sidebar {
    background-color: var(--primary-deep) !important;
    border-right: 1px solid var(--primary-slate) !important;
}

.sidebar-menu > li > a {
    color: #94A3B8 !important;
    padding: 12px 20px !important;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-sm);
    margin: 4px 10px;
}

.sidebar-menu > li > a:hover, 
.sidebar-menu > li.active > a {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: #FFFFFF !important;
}

.sidebar-menu > li.active > a {
    background-color: var(--accent-royal) !important;
}

.sidebar-menu .header {
    background: transparent !important;
    color: #475569 !important;
    text-transform: uppercase;
    font-size: 0.7rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.1em !important;
    padding: 24px 20px 10px !important;
}

/* Topbar Premium Style */
.main-header, .navbar.bg-dark {
    background-color: var(--bg-card) !important;
    border-bottom: 1px solid var(--border-color) !important;
    box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05) !important;
}

.navbar-brand, .navbar-nav > li > a {
    color: var(--primary-navy) !important;
}

/* Card Design - Soft Shadow & Spacing */
.card {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-soft) !important;
    transition: box-shadow 0.3s ease;
    margin-bottom: 24px;
}

.card:hover {
    box-shadow: var(--shadow-premium) !important;
}

.card-header {
    background-color: transparent !important;
    border-bottom: 1px solid var(--border-color) !important;
    padding: 20px 24px !important;
    font-weight: 600;
}

/* Table Design - Minimal & Readable */
.table {
    border-collapse: separate !important;
    border-spacing: 0 !important;
    width: 100% !important;
}

.table thead th {
    background-color: #F8FAFC !important;
    color: #64748B !important;
    font-weight: 600 !important;
    font-size: 0.75rem !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    padding: 16px 24px !important;
    border-bottom: 1px solid var(--border-color) !important;
    border-top: none !important;
}

.table tbody td {
    padding: 16px 24px !important;
    vertical-align: middle !important;
    border-bottom: 1px solid var(--border-color) !important;
    color: var(--primary-navy) !important;
}

.table-hover tbody tr:hover {
    background-color: #F8FAFC !important;
}

/* Modern SaaS Buttons */
.btn {
    border-radius: var(--radius-sm) !important;
    padding: 10px 20px !important;
    font-weight: 600 !important;
    transition: all 0.2s ease !important;
}

.btn-primary {
    background-color: var(--accent-royal) !important;
    border-color: var(--accent-royal) !important;
    box-shadow: 0 1px 2px 0 rgba(37, 99, 235, 0.2) !important;
}

.btn-primary:hover {
    background-color: var(--accent-bright) !important;
    transform: translateY(-1px);
}

/* Status Badges */
.badge {
    padding: 6px 12px !important;
    font-weight: 600 !important;
    font-size: 0.75rem !important;
    border-radius: 30px !important;
}

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

/* Subtle Sub-badges */
.badge-subtle {
    border: 1px solid transparent;
}
.badge-success-subtle { background-color: #DCFCE7 !important; color: #166534 !important; }
.badge-warning-subtle { background-color: #FEF3C7 !important; color: #92400E !important; }
.badge-danger-subtle { background-color: #FEE2E2 !important; color: #991B1B !important; }
.badge-info-subtle { background-color: #CFFAFE !important; color: #0E7490 !important; }

/* Form Controls */
.form-control {
    border-radius: var(--radius-sm) !important;
    border: 1px solid var(--border-color) !important;
    padding: 10px 16px !important;
    background-color: #FFFFFF !important;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--accent-bright) !important;
    box-shadow: 0 0 0 4px var(--accent-soft) !important;
}

/* Custom Utilities */
.text-premium { color: var(--primary-deep); }
.bg-premium { background-color: var(--bg-main); }
.rounded-premium { border-radius: var(--radius-lg); }

/* Dark Mode (Preliminary support) */
@media (prefers-color-scheme: dark) {
    /* Optional: implement dark mode overrides here if requested */
}