/* Google Fonts Import */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    /* Primary Colors */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --secondary: #64748b;

    /* Functional Colors */
    --success: #10b981;
    --info: #3b82f6;
    --warning: #f59e0b;
    --danger: #ef4444;

    /* Backgrounds */
    --bg-body: #f3f4f6;
    --bg-card: #ffffff;
    --bg-sidebar: #1e1b4b;
    /* Dark Indigo */

    /* Text */
    --text-main: #1f2937;
    --text-muted: #6b7280;
    --text-light: #f9fafb;

    /* Borders & Shadows */
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Spacing */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-body);
    color: var(--text-main);
}

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

.main-content {
    flex: 1;
    padding: 2rem;
    background-color: var(--bg-body);
    margin-left: 280px;
    /* Width of sidebar */
}

/* Sidebar styling overrides will go in sidebar.php or here if needed, but keeping separate for clarity */

/* Cards */
.card {
    background: var(--bg-card);
    border: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-bottom: 1.5rem;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    color: var(--text-main);
}

.card-body {
    padding: 1.5rem;
}

/* Buttons */
.btn {
    border-radius: var(--radius-sm);
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Forms */
.form-control,
.form-select {
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    padding: 0.625rem 1rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(79, 70, 229, 0.1);
}

.input-group-text {
    background-color: #f9fafb;
    border-color: var(--border-color);
    color: var(--text-muted);
}

/* Tables */
.table th {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    border-bottom-width: 1px;
    padding: 1rem;
}

.table td {
    vertical-align: middle;
    padding: 1rem;
    color: var(--text-main);
    border-bottom-color: var(--border-color);
}

.table-hover tbody tr:hover {
    background-color: #f9fafb;
}

/* Utilities */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.glass-effect {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
}