/* ========================================== */
/* THEME CONFIGURATION - CSS VARIABLES */
/* ========================================== */

:root {
    /* Color System */
    --primary-color: #1f3b73;
    --secondary-color: #0ea5e9;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #0284c7;
    --dark-color: #0f172a;
    --light-color: #f6f8fb;
    --muted-color: #64748b;
    --border-color: #e5e7eb;

    /* Shadow System */
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 10px 25px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 18px 35px rgba(15, 23, 42, 0.12);

    /* Typography */
    --font-family: 'Manrope', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 18px;
    --radius-full: 999px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.4s ease;
}

/* ========================================== */
/* BASE STYLES */
/* ========================================== */

body {
    background:
        radial-gradient(120% 120% at 15% 20%, rgba(14, 165, 233, 0.14) 0%, rgba(14, 165, 233, 0) 40%),
        radial-gradient(120% 120% at 85% 0%, rgba(79, 70, 229, 0.12) 0%, rgba(79, 70, 229, 0) 42%),
        linear-gradient(180deg, #f6f8fb 0%, #eef2f7 100%);
    min-height: 100vh;
    color: var(--dark-color);
    font-family: var(--font-family);
    line-height: 1.6;
}

.container {
    max-width: 1200px;
}

.page-shell {
    padding: var(--spacing-2xl) 0 var(--spacing-3xl);
    position: relative;
    z-index: 1;
    min-height: calc(100vh - 180px);
}

/* ========================================== */
/* ANIMATIONS */
/* ========================================== */

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ========================================== */
/* RESPONSIVE BREAKPOINTS */
/* ========================================== */

@media (max-width: 991.98px) {
    .page-shell {
        padding: var(--spacing-lg) 0 var(--spacing-xl);
    }
}

@media (max-width: 576px) {
    .page-shell {
        padding: var(--spacing-md) 0 var(--spacing-lg);
    }
}