:root {
    --bg: #050608;
    --panel: #0b0e12;
    --panel-soft: #11161d;
    --border: #202832;
    --text: #f5f7fa;
    --muted: #8f9aa8;
    --green: #46e38b;
    --green-dark: #22b96a;
    --red: #ff6577;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
}

.auth-page {
    min-height: 100vh;
    background:
        radial-gradient(
            circle at top,
            rgba(70, 227, 139, 0.1),
            transparent 38%
        ),
        var(--bg);
    color: var(--text);
    font-family: Arial, sans-serif;
}

.auth-header {
    width: min(1180px, calc(100% - 40px));
    margin: 0 auto;
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.auth-brand {
    color: var(--text);
    font-size: 20px;
    font-weight: 900;
    letter-spacing: 0.08em;
    text-decoration: none;
}

.auth-login-link {
    color: var(--muted);
    font-size: 14px;
    text-decoration: none;
}

.auth-login-link:hover {
    color: var(--text);
}

.auth-main {
    min-height: calc(100vh - 85px);
    padding: 40px 20px 80px;
    display: grid;
    place-items: center;
}

.auth-card {
    width: min(480px, 100%);
    padding: 38px;
    border: 1px solid var(--border);
    border-radius: 24px;
    background:
        linear-gradient(
            145deg,
            rgba(255, 255, 255, 0.03),
            transparent
        ),
        var(--panel);
    box-shadow: 0 30px 90px rgba(0, 0, 0, 0.5);
}

.auth-badge {
    display: inline-flex;
    padding: 7px 11px;
    border: 1px solid rgba(70, 227, 139, 0.3);
    border-radius: 999px;
    background: rgba(70, 227, 139, 0.08);
    color: var(--green);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.auth-card h1 {
    margin: 20px 0 8px;
    font-size: clamp(30px, 6vw, 42px);
    line-height: 1.05;
}

.auth-subtitle {
    margin: 0;
    color: var(--muted);
    line-height: 1.6;
}

.trial-features {
    margin: 24px 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.trial-features span {
    color: #c5ccd5;
    font-size: 13px;
}

.form-group {
    margin-bottom: 17px;
}

.form-group label {
    display: block;
    margin-bottom: 7px;
    color: #b7c0cb;
    font-size: 13px;
    font-weight: 700;
}

.form-group input {
    width: 100%;
    height: 50px;
    padding: 0 15px;
    border: 1px solid var(--border);
    border-radius: 12px;
    outline: none;
    background: var(--panel-soft);
    color: var(--text);
    font-size: 15px;
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.form-group input:focus {
    border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(70, 227, 139, 0.1);
}

.form-group input.input-error {
    border-color: var(--red);
}

.field-error {
    min-height: 17px;
    margin-top: 6px;
    display: block;
    color: var(--red);
    font-size: 12px;
}

.form-message {
    display: none;
    margin: 20px 0;
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13px;
}

.form-message-error,
.form-message-success {
    display: block;
}

.form-message-error {
    border: 1px solid rgba(255, 101, 119, 0.35);
    background: rgba(255, 101, 119, 0.08);
    color: #ff9eaa;
}

.form-message-success {
    border: 1px solid rgba(70, 227, 139, 0.35);
    background: rgba(70, 227, 139, 0.08);
    color: var(--green);
}

.auth-submit {
    width: 100%;
    min-height: 52px;
    margin-top: 4px;
    border: 0;
    border-radius: 12px;
    background:
        linear-gradient(
            135deg,
            var(--green),
            var(--green-dark)
        );
    color: #031109;
    font-weight: 900;
    letter-spacing: 0.04em;
    cursor: pointer;
}

.auth-submit:hover {
    filter: brightness(1.08);
}

.auth-submit:disabled {
    cursor: wait;
    opacity: 0.7;
}

.auth-disclaimer {
    margin: 18px 0 0;
    color: #77828f;
    font-size: 11px;
    line-height: 1.6;
    text-align: center;
}

.auth-footer-link {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 13px;
    text-align: center;
}

.auth-footer-link a {
    color: var(--green);
    font-weight: 700;
    text-decoration: none;
}

@media (max-width: 560px) {
    .auth-card {
        padding: 28px 22px;
        border-radius: 18px;
    }

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