.auth-page {
    min-height: calc(100vh - 84px);
    padding: 75px 0 95px;
    background:
        radial-gradient(
            circle at 10% 10%,
            rgba(53, 199, 255, 0.1),
            transparent 30%
        ),
        radial-gradient(
            circle at 90% 20%,
            rgba(38, 243, 154, 0.1),
            transparent 32%
        );
}

.auth-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(480px, 1.15fr);
    align-items: start;
    gap: 55px;
}

.auth-introduction {
    position: sticky;
    top: 120px;
    padding-top: 25px;
}

.auth-introduction h1 {
    margin-top: 18px;
    font-size: clamp(42px, 5vw, 65px);
    line-height: 1.04;
    letter-spacing: -0.05em;
}

.auth-introduction h1 span {
    color: var(--primary);
}

.auth-introduction > p {
    max-width: 620px;
    margin-top: 22px;
    color: var(--text-soft);
    font-size: 18px;
}

.auth-feature-list {
    display: grid;
    gap: 14px;
    margin-top: 32px;
    list-style: none;
}

.auth-feature-list li {
    position: relative;
    padding: 15px 17px 15px 48px;
    border: 1px solid var(--surface-border);
    border-radius: 12px;
    background: rgba(13, 26, 43, 0.68);
    color: var(--text-soft);
    font-size: 14px;
    font-weight: 700;
}

.auth-feature-list li::before {
    content: "✓";
    position: absolute;
    top: 12px;
    left: 14px;
    width: 25px;
    height: 25px;
    display: grid;
    place-items: center;
    border-radius: 7px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 12px;
    font-weight: 900;
}

.auth-card {
    padding: 34px;
    border: 1px solid var(--surface-border);
    border-radius: var(--radius-large);
    background:
        linear-gradient(
            145deg,
            rgba(19, 34, 56, 0.96),
            rgba(8, 19, 33, 0.96)
        );
    box-shadow: var(--shadow);
}

.auth-card-header {
    margin-bottom: 28px;
}

.auth-card-header h2 {
    font-size: 31px;
    letter-spacing: -0.035em;
}

.auth-card-header p {
    margin-top: 8px;
    color: var(--text-muted);
}

.auth-form {
    display: grid;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    min-width: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-soft);
    font-size: 13px;
    font-weight: 800;
}

.form-group label span {
    color: var(--danger);
}

.auth-control {
    width: 100%;
    min-height: 51px;
    padding: 0 15px;
    border: 1px solid var(--surface-border);
    border-radius: 11px;
    outline: none;
    background: #07111f;
    color: var(--text);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease;
}

.auth-control:focus {
    border-color: rgba(38, 243, 154, 0.55);
    box-shadow: 0 0 0 4px rgba(38, 243, 154, 0.08);
}

.auth-control::placeholder {
    color: #63758c;
}

select.auth-control {
    cursor: pointer;
}

.password-field {
    position: relative;
}

.password-field .auth-control {
    padding-right: 80px;
}

.password-toggle {
    position: absolute;
    top: 50%;
    right: 9px;
    min-width: 58px;
    height: 33px;
    border: 0;
    border-radius: 8px;
    background: rgba(148, 163, 184, 0.1);
    color: var(--text-soft);
    font-size: 11px;
    font-weight: 800;
    cursor: pointer;
    transform: translateY(-50%);
}

.form-help {
    margin-top: 7px;
    color: var(--text-muted);
    font-size: 11px;
}

.field-error {
    margin-top: 7px;
    color: #fda4af;
    font-size: 12px;
    font-weight: 700;
}

.auth-control.has-error {
    border-color: rgba(251, 113, 133, 0.7);
}

.password-meter {
    height: 6px;
    margin-top: 9px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.12);
    overflow: hidden;
}

.password-meter span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: var(--danger);
    transition:
        width 0.2s ease,
        background 0.2s ease;
}

.password-strength-label {
    margin-top: 6px;
    color: var(--text-muted);
    font-size: 11px;
}

.checkbox-field {
    display: flex;
    align-items: flex-start;
    gap: 11px;
}

.checkbox-field input {
    width: 18px;
    height: 18px;
    margin-top: 3px;
    accent-color: var(--primary);
}

.checkbox-field label {
    color: var(--text-soft);
    font-size: 13px;
}

.checkbox-field a {
    color: var(--secondary);
}

.alert {
    margin-bottom: 22px;
    padding: 15px 17px;
    border: 1px solid transparent;
    border-radius: 12px;
    font-size: 13px;
}

.alert-error {
    border-color: rgba(251, 113, 133, 0.3);
    background: rgba(251, 113, 133, 0.08);
    color: #fecdd3;
}

.alert-success {
    border-color: rgba(38, 243, 154, 0.3);
    background: rgba(38, 243, 154, 0.08);
    color: #a7f3d0;
}

.alert ul {
    display: grid;
    gap: 5px;
    padding-left: 19px;
}

.auth-submit {
    margin-top: 2px;
}

.auth-footer-message {
    margin-top: 23px;
    padding-top: 21px;
    border-top: 1px solid var(--surface-border);
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

.auth-footer-message a {
    color: var(--primary);
    font-weight: 800;
    text-decoration: none;
}

.registration-success {
    padding: 30px;
    border: 1px solid rgba(38, 243, 154, 0.3);
    border-radius: 18px;
    background: var(--primary-soft);
    text-align: center;
}

.registration-success-icon {
    width: 65px;
    height: 65px;
    display: grid;
    place-items: center;
    margin: 0 auto 18px;
    border-radius: 50%;
    background: var(--primary);
    color: #02140c;
    font-size: 29px;
    font-weight: 900;
}

.registration-success h2 {
    font-size: 30px;
}

.registration-success p {
    margin-top: 11px;
    color: var(--text-soft);
}

.registration-reference {
    margin: 20px 0;
    padding: 13px;
    border: 1px solid rgba(38, 243, 154, 0.22);
    border-radius: 11px;
    background: rgba(5, 11, 20, 0.48);
    color: var(--text-soft);
    font-size: 13px;
}

@media (max-width: 950px) {
    .auth-layout {
        grid-template-columns: 1fr;
    }

    .auth-introduction {
        position: static;
        padding-top: 0;
    }
}

@media (max-width: 650px) {
    .auth-page {
        padding: 55px 0 70px;
    }

    .auth-card {
        padding: 25px 20px;
    }

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