:root {
    --bg-color: #fff;
    --text-color: #f8fafc;
    --card-bg: rgba(30, 41, 59, 0.7);
    --card-border: rgba(148, 163, 184, 0.1);
    --primary-gradient: linear-gradient(-90deg, #ffffff5c 0%, #3b0707 100%);
    --secondary-gradient: linear-gradient(135deg, #3b82f6 0%, #3a8d83 100%);
    --hover-transform: translateY(-5px);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

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

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
}

/* Background effects */
body::before {
    content: '';
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
    z-index: -1;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* Layout */
header {
    padding: 4rem 2rem 2rem;
    text-align: center;
}

h1 {
    font-size: 3.5rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 1rem;
    letter-spacing: -0.05em;
}

.subtitle {
    font-size: 1.25rem;
    color: #1f62bf99;
    max-width: 600px;
    margin: 0 auto;
}

main {
    flex: 1;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-content: center;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    padding: 2rem;
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    transform: var(--hover-transform);
    box-shadow: 0 20px 40px -5px rgba(0, 0, 0, 0.2);
    border-color: rgba(99, 102, 241, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    background: var(--secondary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.card p {
    color: #cbd5e1;
    font-size: 0.95rem;
}

.card-arrow {
    margin-top: auto;
    padding-top: 1.5rem;
    color: #6366f1;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.card:hover .card-arrow {
    gap: 0.75rem;
    color: #a855f7;
}

/* Footer */
footer {
    padding: 2rem;
    text-align: center;
    color: #64748b;
    font-size: 0.875rem;
    border-top: 1px solid var(--card-border);
}

/* Utilities */
/* Utilities */
.hidden {
    display: none !important;
}

/* User Profile */
.user-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.user-email {
    font-size: 0.9rem;
    color: #71a5e3;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
}

.btn-logout {
    background: transparent;
    border: 1px solid rgb(148 163 184 / 80%);
    color: #70777f;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.8rem;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

/* Login Form Styles */
.login-container {
    max-width: 400px;
    width: 100%;
    margin: 0 auto;
    background: rgb(180 211 251 / 70%);
    border: 1px solid var(--card-border);
    border-radius: 1.5rem;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #fff;
}

.login-header p {
    color: #94a3b8;
    font-size: 0.9rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgb(15 23 42 / 13%);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 0.75rem;
    color: #fff;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-input:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: var(--primary-gradient);
    border: none;
    border-radius: 0.75rem;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1rem;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: #64748b;
    font-size: 0.8rem;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: rgba(148, 163, 184, 0.2);
}

.divider span {
    padding: 0 0.75rem;
}

.social-login {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-social {
    flex: 1;
    padding: 0.75rem;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(148, 163, 184, 0.2);
    border-radius: 0.75rem;
    color: #fff;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-social:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(148, 163, 184, 0.4);
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    main {
        padding: 1rem;
    }
}