/**
 * Страница входа — адаптация login-flow skill под корпоративный AD-логин MaxiBon.
 */
.login-shell {
    min-height: 100vh;
    min-height: 100dvh;
    padding: var(--mb-space-6) var(--mb-space-3);
    display: grid;
    place-items: center;
    position: relative;
    overflow: hidden;
    background: var(--mb-body-gradient, linear-gradient(
        118deg,
        var(--mb-bg) 0%,
        var(--mb-bg-subtle) 55%,
        var(--mb-bg) 100%
    ));
}

.login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    line-height: 0;
    background: var(--mb-bg);
}

.login-bg img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: fill;
    object-position: center center;
}

.login-shell::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background: linear-gradient(
        118deg,
        rgba(237, 233, 255, 0.35) 0%,
        rgba(237, 233, 255, 0.18) 18%,
        rgba(237, 233, 255, 0.06) 36%,
        transparent 58%
    );
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--mb-surface);
    border: 1px solid var(--mb-border);
    border-radius: var(--mb-radius-lg);
    box-shadow: var(--mb-shadow-lg);
    padding: var(--mb-space-5) var(--mb-space-6) var(--mb-space-4);
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-wrap {
    width: 100%;
    height: auto;
    margin: 0 auto;
    overflow: hidden;
    border-radius: var(--mb-radius-md);
}

.hero-frame {
    display: block;
    width: 100%;
    height: auto;
    object-fit: contain;
    object-position: center center;
}

.hero-sub {
    margin: var(--mb-space-2) 0 var(--mb-space-4);
    color: var(--mb-text-muted);
    font-size: var(--mb-font-size-sm);
    line-height: var(--mb-line-tight);
    text-align: center;
}

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: var(--mb-space-2);
    background: var(--mb-danger-bg);
    color: var(--mb-danger);
    padding: var(--mb-space-3);
    border-radius: var(--mb-radius-sm);
    margin-bottom: var(--mb-space-3);
    border: 1px solid var(--mb-danger-border);
    text-align: left;
    font-size: var(--mb-font-size-sm);
    line-height: var(--mb-line-relaxed);
}

.login-alert[hidden] {
    display: none !important;
}

.login-alert::before {
    content: "!";
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border-radius: var(--mb-radius-pill);
    background: var(--mb-danger-border);
    color: var(--mb-danger);
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-field {
    position: relative;
    margin-bottom: var(--mb-space-3);
    text-align: start;
}

.login-field label {
    display: block;
    margin-bottom: var(--mb-space-1);
    font-size: var(--mb-font-size-sm);
    font-weight: 600;
    color: var(--mb-text-secondary);
}

.login-field svg {
    position: absolute;
    left: var(--mb-space-3);
    bottom: 13px;
    width: 16px;
    height: 16px;
    color: var(--mb-text-meta);
    pointer-events: none;
}

.login-field input[type="text"],
.login-field input[type="password"] {
    width: 100%;
    min-height: 44px;
    padding: 0 var(--mb-space-3) 0 36px;
    border: 1px solid var(--mb-border-strong);
    border-radius: var(--mb-radius-sm);
    background: var(--mb-surface);
    color: var(--mb-text);
    font-size: var(--mb-font-size-base);
    outline: none;
    transition: border-color var(--mb-transition-fast), box-shadow var(--mb-transition-fast);
}

.login-field input::placeholder {
    color: var(--mb-text-meta);
}

.login-field input:focus {
    border-color: var(--mb-primary-soft);
    box-shadow: 0 0 0 3px var(--mb-focus-ring);
}

.login-field input:focus + svg,
.login-field:focus-within svg {
    color: var(--mb-primary-soft);
}

.remember {
    display: flex;
    align-items: center;
    gap: var(--mb-space-2);
    margin: var(--mb-space-2) 0 var(--mb-space-4);
    color: var(--mb-text-muted);
    font-size: var(--mb-font-size-sm);
    text-align: left;
    cursor: pointer;
    min-height: 44px;
}

.remember input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--mb-primary);
    flex-shrink: 0;
}

.login-submit {
    position: relative;
    overflow: hidden;
    width: 100%;
    min-height: 44px;
    border: none;
    border-radius: var(--mb-radius-sm);
    background: var(--mb-primary);
    color: #fff;
    font-size: var(--mb-font-size-md);
    font-weight: 700;
    cursor: pointer;
    touch-action: manipulation;
    --login-submit-ripple: var(--mb-primary-active);
    --login-submit-glow: color-mix(in srgb, var(--mb-primary) 34%, transparent);
    transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow var(--mb-transition-fast),
        background-color var(--mb-transition-fast);
}

.login-submit__fill {
    position: absolute;
    left: 0;
    top: 0;
    border-radius: 50%;
    background: var(--login-submit-ripple);
    pointer-events: none;
    z-index: 0;
    transform: translate(-50%, -50%) scale(0);
    opacity: 0.92;
    transition: transform 0.42s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.28s ease;
    will-change: transform;
}

.login-submit.is-fill .login-submit__fill {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.login-submit__label {
    position: relative;
    z-index: 1;
    display: inline-block;
    color: #fff;
    transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-submit.is-fill .login-submit__label {
    transform: translateY(-0.5px);
}

.login-submit:hover:not(:disabled) {
    background: var(--mb-primary-hover);
    box-shadow: 0 8px 20px var(--login-submit-glow);
}

.login-submit.is-fill:not(:disabled) {
    background: var(--mb-primary-hover);
}

.login-submit:focus-visible {
    outline: none;
    box-shadow: 0 0 0 3px var(--mb-focus-ring-strong);
}

.login-submit.is-pressed:not(:disabled) {
    transform: scale(0.985);
}

.login-submit:disabled {
    opacity: 0.65;
    cursor: not-allowed;
    box-shadow: none;
}

.copy {
    margin-top: var(--mb-space-4);
    color: var(--mb-text-meta);
    font-size: var(--mb-font-size-xs);
}

.login-autofill-trap {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
}

@media (max-width: 520px) {
    .login-shell {
        padding: var(--mb-space-4) var(--mb-space-2);
    }

    .login-box {
        padding: var(--mb-space-4) var(--mb-space-4) var(--mb-space-3);
    }

    .hero-wrap {
        height: auto;
    }

    .login-shell::before {
        background: linear-gradient(
            118deg,
            rgba(237, 233, 255, 0.4) 0%,
            rgba(237, 233, 255, 0.2) 24%,
            rgba(237, 233, 255, 0.06) 42%,
            transparent 62%
        );
    }
}

/* --- Вход: плавное появление фона и разворот карточки --- */

.login-shell--enter .login-bg,
.login-shell--enter::before {
    opacity: 0;
}

.login-shell--enter .login-bg img {
    transform: scale(1.03);
}

.login-shell--enter .login-box {
    opacity: 0;
    transform: scaleY(0.04);
    transform-origin: center center;
}

.login-shell--enter .login-box > * {
    opacity: 0;
    transform: translateY(6px);
}

.login-shell--ready .login-bg {
    animation: login-bg-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.login-shell--ready .login-bg img {
    animation: login-bg-img-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.login-shell--ready::before {
    animation: login-overlay-in 0.5s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.login-shell--ready .login-box {
    animation: login-box-unfold 0.72s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.login-shell--ready .login-box > * {
    animation: login-content-in 0.38s cubic-bezier(0.22, 1, 0.36, 1) 0.76s forwards;
}

@keyframes login-bg-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes login-bg-img-in {
    from {
        transform: scale(1.03);
    }
    to {
        transform: scale(1);
    }
}

@keyframes login-overlay-in {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes login-box-unfold {
    from {
        opacity: 0;
        transform: scaleY(0.04);
    }
    to {
        opacity: 1;
        transform: scaleY(1);
    }
}

@keyframes login-content-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* --- Выход карточки и приветствие после успешного входа --- */

.login-shell--exit .login-box {
    transform-origin: center center;
    animation: login-box-fold 0.65s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.login-shell--exit .login-box > * {
    animation: login-content-out 0.28s ease forwards;
}

@keyframes login-box-fold {
    from {
        opacity: 1;
        transform: scaleY(1);
    }
    to {
        opacity: 0;
        transform: scaleY(0.04);
    }
}

@keyframes login-content-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-6px);
    }
}

.login-welcome {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    padding: var(--mb-space-6);
}

.login-welcome.is-visible {
    animation: login-welcome-in 0.75s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.login-welcome__text {
    margin: 0;
    font-size: var(--mb-font-size-2xl);
    font-weight: var(--mb-fw-bold);
    color: var(--mb-text);
    text-align: center;
    letter-spacing: var(--mb-tracking-tight);
    text-shadow: 0 2px 24px rgba(0, 0, 0, 0.12);
    line-height: var(--mb-line-tight);
    max-width: min(92vw, 28rem);
}

@keyframes login-welcome-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .login-shell--enter .login-bg,
    .login-shell--enter::before,
    .login-shell--enter .login-box,
    .login-shell--enter .login-box > * {
        opacity: 1;
        transform: none;
        animation: none !important;
    }

    .login-shell--enter .login-bg img {
        transform: none;
    }

    .login-submit__fill {
        display: none;
    }

    .login-submit:hover:not(:disabled) {
        background: var(--mb-primary-hover);
    }

    .login-submit.is-pressed:not(:disabled) {
        transform: none;
    }

    .login-shell--exit .login-box {
        animation: none !important;
        opacity: 0;
        transform: none;
    }

    .login-shell--exit .login-box > * {
        animation: none !important;
        opacity: 0;
    }

    .login-welcome.is-visible {
        animation: login-welcome-in-reduced 0.45s ease forwards;
    }

    @keyframes login-welcome-in-reduced {
        from {
            opacity: 0;
        }
        to {
            opacity: 1;
        }
    }
}

/* ——— Тёмная тема: страница входа ——— */
[data-theme="dark"] .login-shell::before {
    background: linear-gradient(
        118deg,
        rgba(42, 37, 64, 0.45) 0%,
        rgba(42, 37, 64, 0.22) 18%,
        rgba(18, 16, 26, 0.08) 36%,
        transparent 58%
    );
}

[data-theme="dark"] .login-bg img {
    opacity: 0.28;
    filter: saturate(0.75);
}

[data-theme="dark"] .login-box {
    box-shadow: var(--mb-shadow-lg);
}

[data-theme="dark"] .login-field input {
    background: var(--mb-surface-raised);
    color: var(--mb-text);
    border-color: var(--mb-border-strong);
}

[data-theme="dark"] .login-field input::placeholder {
    color: var(--mb-text-meta);
}

[data-theme="dark"] .hero-sub,
[data-theme="dark"] .copy {
    color: var(--mb-text-muted);
}

[data-theme="dark"] .login-welcome__text {
    text-shadow: 0 2px 28px rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .login-submit {
    --login-submit-ripple: color-mix(in srgb, var(--mb-primary-active) 78%, #000 22%);
    --login-submit-glow: color-mix(in srgb, var(--mb-primary-soft) 42%, transparent);
}

[data-theme="dark"] .login-submit:hover:not(:disabled),
[data-theme="dark"] .login-submit.is-fill:not(:disabled) {
    background: var(--mb-primary-hover);
}