.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Центральная зона ── */
.auth-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem clamp(1rem, 4vw, 2.5rem);
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border: 1.5px solid var(--border2);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 32px 80px rgba(0,0,0,.6);
    animation: up .7s ease forwards;
}

/* ── Шапка карточки ── */
.auth-card-head {
    padding: 2.2rem 2.2rem 1.8rem;
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: .65rem;
    text-decoration: none;
    margin-bottom: 1.8rem;
}

.auth-logo-box {
    width: 32px;
    height: 32px;
    border: 1.5px solid var(--gold);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .6rem;
    font-weight: 900;
    color: var(--gold);
}

.auth-logo-name {
    font-size: .95rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--text);
}

    .auth-logo-name span {
        color: var(--gold);
    }

.auth-title {
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -.02em;
    margin-bottom: .45rem;
}

.auth-subtitle {
    font-size: .78rem;
    font-weight: 400;
    color: var(--text-mid);
    line-height: 1.6;
}

/* ── Тело карточки ── */
.auth-card-body {
    padding: 2rem 2.2rem 2.2rem;
}

/* ── Группа поля ── */
.field-group {
    margin-bottom: 1.2rem;
}

.field-label {
    display: block;
    font-size: .62rem;
    font-weight: 700;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin-bottom: .55rem;
}

.field-wrap {
    position: relative;
}

.field-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    opacity: .35;
    pointer-events: none;
    flex-shrink: 0;
}

.field-input {
    width: 100%;
    background: var(--bg);
    border: 1.5px solid var(--border2);
    border-radius: 8px;
    padding: .85rem 1rem .85rem 2.75rem;
    font-family: 'Montserrat', sans-serif;
    font-size: .85rem;
    font-weight: 500;
    color: var(--text);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    letter-spacing: .02em;
}

    .field-input::placeholder {
        color: var(--text-dim);
        font-weight: 400;
    }

    .field-input:focus {
        border-color: var(--gold);
        box-shadow: 0 0 0 3px rgba(201,168,76,.1);
    }

/* Кнопка показа пароля */
.toggle-pw {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    color: var(--text-dim);
    display: flex;
    align-items: center;
    transition: color .2s;
}

    .toggle-pw:hover {
        color: var(--text-mid);
    }

/* ── Опции под полем ── */
.field-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.8rem;
    flex-wrap: wrap;
    gap: .5rem;
}

.checkbox-wrap {
    display: flex;
    align-items: center;
    gap: .55rem;
    cursor: pointer;
    user-select: none;
}

    .checkbox-wrap input[type="checkbox"] {
        appearance: none;
        -webkit-appearance: none;
        width: 16px;
        height: 16px;
        border: 1.5px solid var(--border2);
        border-radius: 4px;
        background: var(--bg);
        cursor: pointer;
        position: relative;
        flex-shrink: 0;
        transition: border-color .2s, background .2s;
    }

        .checkbox-wrap input[type="checkbox"]:checked {
            background: var(--gold);
            border-color: var(--gold);
        }

            .checkbox-wrap input[type="checkbox"]:checked::after {
                content: '';
                position: absolute;
                left: 4px;
                top: 1px;
                width: 5px;
                height: 9px;
                border: 2px solid var(--bg);
                border-top: none;
                border-left: none;
                transform: rotate(45deg);
            }

.checkbox-lbl {
    font-size: .75rem;
    font-weight: 500;
    color: var(--text-mid);
}

.forgot-link {
    font-size: .72rem;
    font-weight: 600;
    color: var(--gold);
    text-decoration: none;
    letter-spacing: .04em;
    opacity: .8;
    transition: opacity .2s;
}

    .forgot-link:hover {
        opacity: 1;
    }

/* ── Кнопка submit ── */
.auth-btn {
    width: 100%;
    font-family: 'Montserrat', sans-serif;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
    padding: .95rem;
    color: var(--bg);
    background: var(--gold);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: opacity .2s, transform .2s, box-shadow .2s;
    margin-bottom: 1.5rem;
}

    .auth-btn:hover {
        opacity: .88;
        transform: translateY(-1px);
        box-shadow: 0 10px 28px rgba(201,168,76,.3);
    }

    .auth-btn:active {
        transform: translateY(0);
    }

/* ── Разделитель ── */
.auth-divider {
    display: flex;
    align-items: center;
    gap: .9rem;
    margin-bottom: 1.5rem;
}

    .auth-divider::before,
    .auth-divider::after {
        content: '';
        flex: 1;
        height: 1px;
        background: var(--border);
    }

    .auth-divider span {
        font-size: .62rem;
        font-weight: 600;
        letter-spacing: .16em;
        text-transform: uppercase;
        color: var(--text-dim);
        white-space: nowrap;
    }

/* ── Переключатель режима ── */
.auth-switch {
    text-align: center;
    font-size: .78rem;
    font-weight: 500;
    color: var(--text-mid);
}

    .auth-switch a {
        color: var(--gold);
        text-decoration: none;
        font-weight: 700;
        transition: opacity .2s;
    }

        .auth-switch a:hover {
            opacity: .75;
        }

/* ── Сообщение об ошибке ── */
.auth-error {
    background: rgba(224,92,92,.1);
    border: 1px solid rgba(224,92,92,.25);
    border-radius: 8px;
    padding: .8rem 1rem;
    font-size: .78rem;
    font-weight: 500;
    color: var(--red);
    margin-bottom: 1.4rem;
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    line-height: 1.5;
}

/* ── Силовой индикатор пароля ── */
.pw-strength {
    margin-top: .6rem;
    display: flex;
    gap: .3rem;
    align-items: center;
}

.pw-bar {
    flex: 1;
    height: 3px;
    border-radius: 2px;
    background: var(--border);
    transition: background .3s;
}

    .pw-bar.weak {
        background: var(--red);
    }

    .pw-bar.medium {
        background: #9a8040;
    }

    .pw-bar.strong {
        background: var(--green);
    }

.pw-strength-lbl {
    font-size: .6rem;
    font-weight: 600;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-dim);
    width: 48px;
    text-align: right;
    flex-shrink: 0;
}

/* --- АЛЕРТЫ (УЛУЧШЕННЫЕ, В СТИЛЕ UI) --- */
.alert {
    border-radius: 14px;
    padding: 1rem 1.2rem;
    margin-bottom: 1.5rem;
    border: none;
    font-weight: 500;
    font-size: 0.95rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    background: rgba(255, 255, 255, 0.05);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
    animation: slideIn 0.4s ease;
    position: relative;
    overflow: hidden;
}

    /* Лёгкое свечение */
    .alert::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 4px;
        border-radius: 4px;
    }

/* Ошибка */
.alert-danger {
    color: #ff6b6b;
    background: rgba(220, 53, 69, 0.08);
}

    .alert-danger::before {
        background: linear-gradient(180deg, #ff6b6b, #dc3545);
        box-shadow: 0 0 10px rgba(220, 53, 69, 0.6);
    }

/* Успех */
.alert-success {
    color: #51cf66;
    background: rgba(40, 167, 69, 0.08);
}

    .alert-success::before {
        background: linear-gradient(180deg, #51cf66, #28a745);
        box-shadow: 0 0 10px rgba(40, 167, 69, 0.6);
    }

/* Кнопка закрытия (под тёмную тему) */
.alert .btn-close {
    filter: invert(1) brightness(0.8);
    opacity: 0.7;
    transition: all 0.2s ease;
}

    .alert .btn-close:hover {
        opacity: 1;
        transform: scale(1.1);
    }

/* Иконки внутри */
.alert i {
    opacity: 0.9;
}

/* Анимация */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-12px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ── Footer ── */
.auth-footer {
    text-align: center;
    padding: 1.4rem;
    font-size: .62rem;
    font-weight: 500;
    color: var(--text-dim);
    letter-spacing: .06em;
}

    .auth-footer span {
        color: var(--gold);
    }

@media (max-width: 480px) {
    .auth-card-head,
    .auth-card-body {
        padding-left: 1.4rem;
        padding-right: 1.4rem;
    }

    .field-options {
        flex-direction: column;
        align-items: flex-start;
    }
}