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

body {
    min-height: 100vh;
    background:
        radial-gradient(ellipse at 10% 15%, rgba(0,255,0,.10), transparent 35%),
        radial-gradient(ellipse at 90% 85%, rgba(0,255,0,.08), transparent 35%),
        #090b10;
    color: #fff;
    font-family: Inter, Arial, sans-serif;
}

.topbar {
    height: 85px;
    padding: 0 7%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,.07);
    background: rgba(12,14,19,.85);
}

.logo {
    width: 155px;
    object-fit: contain;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 28px;
}

.top-actions a {
    color: #aaa;
    text-decoration: none;
    font-size: 14px;
}

.top-actions a:hover {
    color: #00ff00;
}

select {
    background: #15191e;
    border: 1px solid #30363c;
    color: white;
    border-radius: 9px;
    padding: 11px 13px;
    outline: none;
}

.auth-wrapper {
    min-height: calc(100vh - 85px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 45px 20px;
}

.auth-card {
    width: 100%;
    max-width: 570px;
    padding: 42px;
    background: rgba(17,20,25,.96);
    border: 1px solid rgba(0,255,0,.23);
    border-radius: 20px;
    box-shadow: 0 0 60px rgba(0,255,0,.06);
}

.auth-heading {
    margin-bottom: 32px;
}

.auth-heading h1 {
    font-size: 34px;
    margin-bottom: 10px;
}

.auth-heading h1 span {
    color: #00ff00;
}

.auth-heading p {
    color: #858b91;
    font-size: 14px;
}

.form-group {
    margin-bottom: 21px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: #c9cdd1;
    margin-bottom: 9px;
}

.form-group input {
    width: 100%;
    height: 49px;
    background: #0c0f13;
    border: 1px solid #30363c;
    border-radius: 9px;
    padding: 0 15px;
    color: white;
    outline: none;
    transition: .2s;
}

.form-group input:focus {
    border-color: #00ff00;
    box-shadow: 0 0 0 3px rgba(0,255,0,.08);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.terms {
    display: flex;
    gap: 10px;
    color: #999;
    font-size: 12px;
    margin: 8px 0 24px;
    align-items: flex-start;
}

.terms input {
    accent-color: #00ff00;
    margin-top: 2px;
}

.main-button {
    width: 100%;
    height: 51px;
    border: none;
    border-radius: 9px;
    background: #00ff00;
    color: #050805;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    transition: .2s;
}

.main-button:hover {
    background: #16dc16;
    transform: translateY(-2px);
    box-shadow: 0 5px 25px rgba(0,255,0,.16);
}

.auth-footer {
    text-align: center;
    margin-top: 27px;
    color: #858b91;
    font-size: 13px;
}

.auth-footer a {
    color: #00ff00;
    text-decoration: none;
    margin-left: 5px;
}

.alert {
    padding: 13px 15px;
    border-radius: 8px;
    margin-bottom: 22px;
    font-size: 13px;
}

.alert.error {
    background: rgba(255,50,50,.09);
    border: 1px solid rgba(255,50,50,.3);
    color: #ff7777;
}

@media(max-width:600px) {
    .topbar {
        padding: 0 18px;
    }

    .logo {
        width: 115px;
    }

    .top-actions {
        gap: 10px;
    }

    .top-actions a {
        display: none;
    }

    .auth-card {
        padding: 27px 20px;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .auth-heading h1 {
        font-size: 28px;
    }
}