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

body {
    min-height: 100vh;
    font-family: Arial, Helvetica, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(0, 255, 170, 0.12), transparent 35%),
        radial-gradient(circle at bottom right, rgba(0, 130, 255, 0.12), transparent 35%),
        #070b12;
    color: #e8eef8;
}

a {
    color: inherit;
    text-decoration: none;
}

.auth-page {
    min-height: 100vh;
    padding: 32px 8%;
}

.back-link {
    display: inline-block;
    color: #00ffaa;
    font-weight: 700;
    margin-bottom: 40px;
}

.auth-shell {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.tag {
    color: #00ffaa;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: 1px;
    text-transform: uppercase;
    font-size: 14px;
}

.auth-copy h1 {
    font-size: 54px;
    line-height: 1.1;
    margin-bottom: 24px;
}

.auth-copy h1 span {
    color: #00ffaa;
}

.auth-copy p {
    max-width: 620px;
    color: #aeb9cc;
    font-size: 18px;
    line-height: 1.7;
}

.auth-box {
    background: rgba(13, 20, 32, 0.9);
    border: 1px solid rgba(0, 255, 170, 0.2);
    border-radius: 18px;
    padding: 34px;
    box-shadow:
        0 0 40px rgba(0, 255, 170, 0.12),
        inset 0 0 30px rgba(255, 255, 255, 0.02);
}

.auth-box h2 {
    font-size: 34px;
    margin-bottom: 8px;
}

.subtitle {
    color: #aeb9cc;
    margin-bottom: 24px;
}

.message {
    background: rgba(0, 170, 255, 0.12);
    border: 1px solid rgba(0, 170, 255, 0.28);
    color: #d8ffe9;
    padding: 12px;
    border-radius: 10px;
    margin-bottom: 20px;
    line-height: 1.5;
}

label {
    display: block;
    color: #d8ffe9;
    font-weight: 700;
    margin-bottom: 8px;
}

input {
    width: 100%;
    padding: 13px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 10px;
    background: rgba(7, 11, 18, 0.82);
    color: #e8eef8;
    font-size: 15px;
    outline: none;
}

input:focus {
    border-color: #00ffaa;
    box-shadow: 0 0 0 3px rgba(0, 255, 170, 0.12);
}

button {
    width: 100%;
    padding: 14px 18px;
    border: none;
    border-radius: 10px;
    background: linear-gradient(135deg, #00ffaa, #00aaff);
    color: #041018;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 0 25px rgba(0, 255, 170, 0.25);
    transition: 0.3s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 35px rgba(0, 255, 170, 0.4);
}

.auth-divider {
    display: flex;
    align-items: center;
    gap: 14px;
    color: #6f7b8e;
    margin: 22px 0;
}

.auth-divider::before,
.auth-divider::after {
    content: "";
    height: 1px;
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
}

.google-button {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.google-button:hover {
    transform: translateY(-2px);
    filter: drop-shadow(0 0 18px rgba(0, 255, 170, 0.18));
}

.google-button img {
    display: block;
    width: 175px;
    height: 40px;
}

.bottom-text {
    color: #aeb9cc;
    text-align: center;
    margin-top: 20px;
}

.bottom-text a {
    color: #00ffaa;
    font-weight: 800;
}

@media (max-width: 900px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }

    .auth-copy h1 {
        font-size: 40px;
    }
}