:root {
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-emp: #38bdf8;
    /* Cyan for Employees */
    --accent-admin: #818cf8;
    /* Indigo for Admins */
    --accent-super: #fbbf24;
    /* Amber for Super Admin */
    --glass-border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}


.landing-container {
    max-width: 1000px;
    width: 100%;
    margin: 0 auto;
    text-align: center;
}

.header {
    margin-bottom: 4rem;
}

.header h1 {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.25rem;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 3rem 2rem;
    border-radius: 1.5rem;
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    transition: background 0.3s ease;
}

.card.employee::before {
    background: var(--accent-emp);
}

.card.admin::before {
    background: var(--accent-admin);
}

.card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.icon-box {
    width: 80px;
    height: 80px;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

.employee .icon-box {
    background: rgba(56, 189, 248, 0.1);
    color: var(--accent-emp);
}

.admin .icon-box {
    background: rgba(129, 140, 248, 0.1);
    color: var(--accent-admin);
}

.card h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.card p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.btn {
    width: 100%;
    padding: 1rem;
    border-radius: 0.75rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-dark);
}

.employee .btn-primary {
    background: var(--accent-emp);
    color: #fff;
}

.admin .btn-primary {
    background: var(--accent-admin);
    color: #fff;
}

.btn-outline {
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.btn:hover {
    opacity: 0.9;
    transform: scale(1.02);
}

.footer-links {
    margin-top: 4rem;
    display: flex;
    justify-content: center;
    gap: 2rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--accent-super);
}

@media (max-width: 640px) {
    .header h1 {
        font-size: 2.25rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }
}