/* ROOT CSS */

/* ---------- CSS VARIABLES ---------- */
:root {
    --primary-gradient-start: #667eea;
    --primary-gradient-end: #764ba2;
    --accent-color: #f093fb;
    --accent-secondary: #4facfe;

    --bg-dark-1: #0a0e27;
    --bg-dark-2: #151932;
    --bg-dark-3: #1a1f3a;

    --card-bg: rgba(26, 31, 58, 0.7);
    --card-border: rgba(255, 255, 255, 0.12);

    --text-primary: #ffffff;
    --text-secondary: #b8c1ec;
    --text-muted: #7e88b4;

    --success-color: #34d399;
    --error-color: #ef4444;
    --warning-color: #fbbf24;
    --info-color: #60a5fa;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    }

    /* ---------- GLOBAL RESET ---------- */
    * {
    box-sizing: border-box;
    }

    /* ---------- BODY ---------- */
    body {
    background-color: #ffffff;
    font-family: "Segoe UI", sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(
        135deg,
        var(--bg-dark-1) 0%,
        var(--bg-dark-2) 50%,
        var(--bg-dark-3) 100%
    );
    background-attachment: fixed;
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ---------- ANIMATED BACKGROUND ---------- */
body::before {
    content: "";
    position: fixed;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.15), transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(240, 147, 251, 0.12), transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(79, 172, 254, 0.1), transparent 40%);
    pointer-events: none;
    z-index: 0;
    animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ==============================
    👀 PREVIEW PAGE STYLES
    ============================== */

    .preview-page {
    max-width: 900px;
    margin: auto;
    padding: 20px;
    }

    /* Preview Card */
    .preview-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 30px;
    margin-bottom: 30px;
    animation: fadeInUp 0.6s ease;
    }

    .preview-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 10px;
    }

    .preview-date {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    }

    .preview-description {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
    }

    /* Back Button */
    .preview-back {
    display: inline-block;
    margin-top: 20px;
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    background: linear-gradient(
        135deg,
        var(--primary-gradient-start),
        var(--primary-gradient-end)
    );
    color: white;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    }

    .preview-back:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    }

    /* Animation */
    @keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}