/* ========== GLOBAL VARIABLES ========== */
:root {
    --primary: #4361ee;
    --primary-dark: #3a0ca3;
    --primary-light: rgba(67, 97, 238, 0.1);
    --secondary: #6c757d;
    --secondary-light: rgba(108, 117, 125, 0.1);
    --success: #2ecc71;
    --success-dark: #27ae60;
    --info: #00b4d8;
    --info-dark: #0096b4;
    --warning: #f39c12;
    --warning-dark: #e67e22;
    --danger: #e74c3c;
    --danger-dark: #c0392b;
    --light: #f8f9fa;
    --dark: #343a40;
    --gray: #95a5a6;
    --white: #ffffff;
    --border-color: #e9ecef;
    --card-shadow: 0 0.125rem 0.375rem rgba(0, 0, 0, 0.05);
    --card-shadow-hover: 0 0.5rem 1.5rem rgba(0, 0, 0, 0.1);
}

/* ========== BASE RESET ========== */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f7fb;
    color: #495057;
    line-height: 1.6;
    margin-bottom: 60px;
}

/* ========== FOCUS RING ========== */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}