* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, sans-serif;
}
body {
    min-height: 100vh;
    background: #020617;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}
body::before {
    content: '';
    position: fixed;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 212, 255, 0.08), transparent 60%),
                radial-gradient(circle at 80% 20%, rgba(255, 0, 255, 0.06), transparent 40%);
    pointer-events: none;
}
.login-card {
    background: #0f172a;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 18px;
    width: 100%;
    max-width: 440px;
    padding: 40px 32px;
    box-shadow: 0 0 60px rgba(0, 212, 255, 0.1);
    position: relative;
    z-index: 10;
}
.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 30px;
    color: #fff;
    font-size: 20px;
    font-weight: 600;
}
.logo svg {
    width: 26px;
    height: 26px;
    color: #00d4ff;
}
.title {
    text-align: center;
    color: #f1f5f9;
    font-size: 24px;
    margin-bottom: 8px;
}
.desc {
    text-align: center;
    color: #94a3b8;
    font-size: 14px;
    margin-bottom: 32px;
}
.form-group {
    margin-bottom: 20px;
}
.form-group label {
    display: block;
    color: #cbd5e1;
    font-size: 14px;
    margin-bottom: 8px;
}
.form-group input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    color: #fff;
    font-size: 15px;
    outline: none;
    transition: 0.2s;
}
.form-group input:focus {
    border-color: #00d4ff;
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
}
.btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(90deg, #00d4ff, #ff00ff);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
    margin-top: 10px;
}
.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}
.link-group {
    text-align: center;
    margin-top: 24px;
    color: #94a3b8;
    font-size: 14px;
}
.link-group a {
    color: #00d4ff;
    text-decoration: none;
    margin-left: 6px;
}
.link-group a:hover {
    text-decoration: underline;
}
.back-home {
    display: block;
    text-align: center;
    margin-top: 20px;
    color: #64748b;
    font-size: 13px;
    text-decoration: none;
}
.back-home:hover {
    color: #00d4ff;
}