/* === Auth pages === */

.auth-body {
    background: var(--bg);
    min-height: 100vh;
}

.auth-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: minmax(380px, 1fr) 1.2fr;
}
.auth-shell--single {
    grid-template-columns: 1fr;
}

/* Левая колонка */
.auth-aside {
    background:
            radial-gradient(circle at 30% 20%, rgba(255, 90, 31, 0.18), transparent 60%),
            linear-gradient(135deg, #131316, #0a0a0b);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-right: 1px solid var(--line);
    position: relative;
    overflow: hidden;
}
.auth-aside::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
            linear-gradient(var(--line-soft) 1px, transparent 1px),
            linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
    mask-image: radial-gradient(circle at 70% 80%, black, transparent 70%);
    -webkit-mask-image: radial-gradient(circle at 70% 80%, black, transparent 70%);
    pointer-events: none;
}
.auth-aside__content,
.auth-aside__foot,
.auth-aside .logo {
    position: relative;
    z-index: 1;
}
.auth-aside h2 {
    font-size: 2.2rem;
    margin: 1.5rem 0 2rem;
    line-height: 1.1;
}
.checklist {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.checklist li {
    padding-left: 1.8rem;
    position: relative;
    color: var(--text-dim);
    font-size: 0.98rem;
}
.checklist li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 12px;
    height: 12px;
    background: var(--accent);
    transform: rotate(45deg);
}
.auth-aside__foot {
    color: var(--text-dim);
    font-size: 0.95rem;
    margin-top: 3rem;
}

/* Правая колонка */
.auth-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    min-height: 100vh;
}
.auth-card {
    width: 100%;
    max-width: 520px;
}
.auth-card--narrow {
    max-width: 440px;
}
.auth-card .logo {
    margin-bottom: 2.5rem;
}
.auth-card__head {
    margin-bottom: 2.5rem;
}
.auth-card__head h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}
.auth-card__head p {
    color: var(--text-dim);
}
.auth-card__foot {
    margin-top: 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.95rem;
}

/* Form внутреннее */
.form__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
.form__group--title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0 1rem;
}
.form__group-title {
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.15em;
    color: var(--accent);
}
.form__group--title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--line);
}
.form__legal {
    margin-top: 1rem;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-mute);
}

.subdomain-input {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--bg-soft);
    overflow: hidden;
    transition: border-color 0.15s;
}
.subdomain-input:focus-within {
    border-color: var(--accent);
}
.subdomain-input input {
    border: none;
    border-radius: 0;
    background: transparent;
}
.subdomain-input input:focus {
    border: none;
    background: transparent;
}
.subdomain-suffix {
    padding: 0.85rem 1rem;
    background: var(--bg-card);
    color: var(--text-dim);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    border-left: 1px solid var(--line);
    display: flex;
    align-items: center;
}

@media (max-width: 900px) {
    .auth-shell {
        grid-template-columns: 1fr;
    }
    .auth-aside {
        padding: 2rem;
        border-right: none;
        border-bottom: 1px solid var(--line);
    }
    .auth-aside__content {
        margin-top: 1.5rem;
    }
}

@media (max-width: 540px) {
    .form__row { grid-template-columns: 1fr; }
    .auth-main { padding: 2rem 1.2rem; }
    .auth-card__head h1 { font-size: 2rem; }
}