/* Reset & Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

:root {
    /* Fonts */
    --font-primary: 'Outfit', 'Noto Sans Thai', sans-serif;
}

/* Dark Theme Variables */
body.dark-theme {
    --bg-color: #080f1e;
    --bg-panel: #0d192f;
    --card-bg: rgba(17, 34, 64, 0.65);
    --card-border: rgba(59, 130, 246, 0.15);
    --text-color: #f1f5f9;
    --text-muted: #94a3b8;
    
    --accent-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    --accent-cyan: #06b6d4;
    --accent-orange: #f97316;
    --accent-success: #10b981;
    --accent-danger: #ef4444;
    
    --table-header-bg: #112240;
    --table-row-hover: rgba(59, 130, 246, 0.1);
    --table-border: #1e293b;
    --shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
    --card-glow: 0 4px 20px rgba(59, 130, 246, 0.1);
    --input-bg: #112240;
    --input-border: #1e293b;
}

/* Light Theme Variables */
body.light-theme {
    --bg-color: #f3f4f6;
    --bg-panel: #ffffff;
    --card-bg: #ffffff;
    --card-border: #e5e7eb;
    --text-color: #1f2937;
    --text-muted: #4b5563;
    
    --accent-blue: #2563eb;
    --accent-purple: #7c3aed;
    --accent-cyan: #0891b2;
    --accent-orange: #ea580c;
    --accent-success: #059669;
    --accent-danger: #dc2626;
    
    --table-header-bg: #f9fafb;
    --table-row-hover: #f3f4f6;
    --table-border: #e5e7eb;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --card-glow: 0 4px 12px rgba(0, 0, 0, 0.02);
    --input-bg: #ffffff;
    --input-border: #d1d5db;
}

body {
    font-family: var(--font-primary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 2rem 1.5rem;
    min-height: 100vh;
}

/* Dashboard Container */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

/* Header */
.dashboard-header {
    background-color: var(--bg-panel);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    flex-wrap: wrap;
    gap: 1.5rem;
}

.header-title-container {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.dashboard-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-color), var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-header .subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    font-weight: 400;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Buttons */
.action-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.2rem;
    border-radius: 10px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

.action-btn:active {
    transform: translateY(0);
}

.action-btn .icon {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
}

.action-btn svg {
    width: 100%;
    height: 100%;
}

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

.secondary-btn:hover {
    background-color: var(--table-row-hover);
    border-color: var(--accent-blue);
}

.success-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.success-btn:hover {
    background: linear-gradient(135deg, #059669, #047857);
}

.danger-btn {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.danger-btn:hover {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
}

/* Theme icon animation */
.sun-icon {
    display: none;
}
body.dark-theme .sun-icon {
    display: block;
    color: #f59e0b;
}
body.light-theme .secondary-btn svg {
    /* Replace with Moon icon by changing svg contents dynamically or drawing a moon */
}

/* KPI Indicators Grid */
.kpi-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.kpi-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
}

.kpi-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(20px, -20px);
}

.kpi-content h3 {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.kpi-value {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 0.3rem;
    font-family: 'Outfit', sans-serif;
}

.kpi-change {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.kpi-change span {
    font-weight: 600;
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    padding: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.85;
}

.kpi-icon svg {
    width: 100%;
    height: 100%;
}

/* KPI Gradients */
.gradient-blue .kpi-value { color: var(--accent-blue); }
.gradient-blue .kpi-icon { background: rgba(59, 130, 246, 0.15); color: var(--accent-blue); }
.gradient-purple .kpi-value { color: var(--accent-purple); }
.gradient-purple .kpi-icon { background: rgba(139, 92, 246, 0.15); color: var(--accent-purple); }
.gradient-cyan .kpi-value { color: var(--accent-cyan); }
.gradient-cyan .kpi-icon { background: rgba(6, 182, 212, 0.15); color: var(--accent-cyan); }
.gradient-orange .kpi-value { color: var(--accent-orange); }
.gradient-orange .kpi-icon { background: rgba(249, 115, 22, 0.15); color: var(--accent-orange); }

/* Charts Layout */
.charts-section {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 1.5rem;
}

@media (max-width: 1024px) {
    .charts-section {
        grid-template-columns: 1fr;
    }
}

.chart-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.chart-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.chart-container {
    position: relative;
    width: 100%;
    height: 350px;
}

/* Filters and Forms */
.form-select {
    padding: 0.5rem 2rem 0.5rem 1rem;
    border-radius: 8px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' stroke='%2394a3b8' stroke-width='2' viewBox='0 0 24 24'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
}

.form-select:hover, .form-select:focus {
    border-color: var(--accent-blue);
}

/* Data Table section */
.table-section {
    width: 100%;
}

.table-card {
    background-color: var(--bg-panel);
    border: 1px solid var(--card-border);
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.table-header h2 {
    font-size: 1.15rem;
    font-weight: 600;
}

.table-search {
    position: relative;
    width: 250px;
}

.form-input {
    width: 100%;
    padding: 0.5rem 1rem 0.5rem 2.2rem;
    border-radius: 8px;
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    color: var(--text-color);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-blue);
}

.search-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-icon svg {
    width: 100%;
    height: 100%;
}

/* Table Design */
.table-responsive {
    overflow-x: auto;
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--table-border);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.data-table th, .data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--table-border);
    white-space: nowrap;
}

.data-table th {
    background-color: var(--table-header-bg);
    font-weight: 600;
    color: var(--text-color);
    user-select: none;
}

.data-table td {
    color: var(--text-color);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr {
    transition: background-color 0.15s ease;
}

.data-table tbody tr:hover {
    background-color: var(--table-row-hover);
}

.data-table tfoot tr {
    background-color: var(--table-header-bg);
    font-weight: 700;
    border-top: 2px solid var(--table-border);
}

.data-table tfoot td {
    border-bottom: none;
}

/* Highlight columns */
.data-table td:nth-child(1) {
    font-weight: 600;
}

.data-table th.num-col, .data-table td.num-col {
    text-align: right;
    font-family: 'Outfit', sans-serif;
}

/* Footer Credits */
.dashboard-footer {
    text-align: center;
    padding: 1.5rem 0;
    color: var(--text-muted);
    font-size: 0.82rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    border-top: 1px solid var(--card-border);
    margin-top: 1rem;
}

.dashboard-footer .copyright {
    font-weight: 500;
}

/* Print CSS tweaks */
@media print {
    body {
        background-color: white !important;
        color: black !important;
        padding: 0;
    }
    
    .no-print {
        display: none !important;
    }
    
    .dashboard-container {
        gap: 1.5rem;
    }
    
    .dashboard-header, .kpi-card, .chart-card, .table-card {
        box-shadow: none !important;
        border: 1px solid #ccc !important;
        background: white !important;
    }
    
    .kpi-value {
        color: black !important;
    }
    
    .kpi-icon {
        display: none !important;
    }
    
    .data-table th {
        background-color: #f3f4f6 !important;
        color: black !important;
    }
}