/**
 * 登录页分屏布局（橙色系）— 仅 /login 引用，与 login.css（玻璃卡）分离。
 */
:root {
    --login-orange: #f97316;
    --login-orange-h: #ea580c;
    --login-orange-deep: #7c2d12;
    --login-panel-bg: #f9fafb;
    --login-text: #111827;
    --login-text-muted: #4b5563;
    --login-border: #d1d5db;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body.login-page--split {
    margin: 0;
    padding: 0;
    min-height: 100%;
}

body.login-page--split {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--login-panel-bg);
    color: var(--login-text);
    overflow-x: hidden;
    overflow-y: auto;
}

.login-shell {
    display: flex;
    flex-direction: row;
    min-height: 100vh;
    width: 100%;
}

.login-hero {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    background: linear-gradient(135deg, #111827 0%, #1f2937 45%, var(--login-orange-deep) 100%);
}

.login-hero__inner {
    max-width: 28rem;
}

.login-hero__title {
    margin: 0;
    font-size: clamp(1.75rem, 2.8vw, 2.5rem);
    font-weight: 700;
    line-height: 1.35;
    color: #fff;
    letter-spacing: -0.02em;
}

.login-hero__tags {
    margin: 1.25rem 0 0;
    font-size: 1.05rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.72);
    letter-spacing: 0.12em;
}

.login-panel {
    flex: 1 1 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 2rem;
    background: var(--login-panel-bg);
}

.login-panel__inner {
    width: 100%;
    max-width: 28rem;
}

/* 覆盖 Bootstrap .card */
body.login-page--split .card {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0;
    max-width: none;
    box-shadow: none;
}

body.login-page--split .brand-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

body.login-page--split .brand-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--login-text);
    letter-spacing: -0.02em;
}

body.login-page--split .sub {
    font-size: 0.875rem;
    color: var(--login-text-muted);
    margin-bottom: 2rem;
}

body.login-page--split .form-label {
    font-size: 0.8125rem;
    font-weight: 500;
    color: #374151;
    margin-bottom: 0.5rem;
}

/* 覆盖 Bootstrap .form-control */
body.login-page--split .form-control {
    background-color: #fff;
    border: 1px solid var(--login-border);
    border-radius: 0.5rem;
    color: var(--login-text);
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    box-shadow: none;
}

body.login-page--split .form-control::placeholder {
    color: #9ca3af;
}

body.login-page--split .form-control:focus {
    background-color: #fff;
    border-color: var(--login-orange);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.2);
    color: var(--login-text);
}

body.login-page--split .form-control.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15);
}

body.login-page--split .form-control.success {
    border-color: #22c55e;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.15);
}

body.login-page--split .input-group {
    position: relative;
}

body.login-page--split #password {
    padding-right: 2.75rem;
}

body.login-page--split .eye {
    cursor: pointer;
    color: #9ca3af;
    position: absolute;
    right: 0.875rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 5;
}

body.login-page--split .eye:hover {
    color: #374151;
}

body.login-page--split .err {
    background: #fef2f2;
    color: #b91c1c;
    border: 1px solid #fecaca;
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
    margin-bottom: 1.25rem;
}

body.login-page--split .field-err {
    background: #fef2f2;
    color: #b91c1c;
    border-radius: 0.5rem;
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    margin-top: 0.375rem;
    display: flex;
    align-items: center;
    gap: 0.3125rem;
}

body.login-page--split .field-err i {
    font-size: 0.8125rem;
}

/* 覆盖 Bootstrap .btn */
body.login-page--split .btn-login {
    background: var(--login-orange);
    border: none;
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    padding: 0.875rem;
    color: #fff;
    box-shadow: 0 4px 14px rgba(249, 115, 22, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

body.login-page--split .btn-login:hover:not(:disabled) {
    background: var(--login-orange-h);
    box-shadow: 0 6px 20px rgba(234, 88, 12, 0.4);
    transform: translateY(-1px);
    color: #fff;
}

body.login-page--split .btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

body.login-page--split .spinner {
    width: 1rem;
    height: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: login-split-spin 0.7s linear infinite;
}

@keyframes login-split-spin {
    to {
        transform: rotate(360deg);
    }
}

body.login-page--split .login-slider__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

body.login-page--split .login-slider__refresh {
    border: none;
    background: transparent;
    color: var(--login-orange);
    font-size: 0.75rem;
    padding: 0;
}

body.login-page--split .login-slider__refresh:hover {
    color: var(--login-orange-h);
}

body.login-page--split .login-slider__stage {
    position: relative;
    width: 100%;
    height: 8.25rem;
    border-radius: 0.875rem;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--login-border);
}

body.login-page--split .login-slider__bg {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

body.login-page--split .login-slider__piece {
    position: absolute;
    left: 0;
    top: 0;
    width: 2.625rem;
    height: 2.625rem;
    pointer-events: none;
}

body.login-page--split .login-slider__bar {
    position: relative;
    height: 2.625rem;
    margin-top: 0.625rem;
    border-radius: 999px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--login-border);
    user-select: none;
}

body.login-page--split .login-slider__progress {
    position: absolute;
    inset: 0 auto 0 0;
    width: 0;
    background: linear-gradient(135deg, rgba(249, 115, 22, 0.25), rgba(251, 146, 60, 0.18));
}

body.login-page--split .login-slider__handle {
    position: absolute;
    left: 0;
    top: 2px;
    width: 2.375rem;
    height: 2.375rem;
    border: none;
    border-radius: 50%;
    color: var(--login-orange-h);
    background: #fff;
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
    cursor: grab;
    touch-action: none;
}

body.login-page--split .login-slider__hint {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6b7280;
    font-size: 0.8125rem;
    pointer-events: none;
}

body.login-page--split .login-slider.is-verified .login-slider__hint {
    color: #15803d;
}

body.login-page--split .login-slider.is-verified .login-slider__handle {
    color: #15803d;
}

body.login-page--split .login-sso-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #9ca3af;
    font-size: 0.75rem;
}

body.login-page--split .login-sso-divider::before,
body.login-page--split .login-sso-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e5e7eb;
}

body.login-page--split .btn-login-sso {
    border: 1px solid #d1d5db;
    color: #374151;
    background: #fff;
    font-weight: 600;
    border-radius: 0.5rem;
    padding: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    text-decoration: none;
}

body.login-page--split .btn-login-sso:hover {
    background: #fff7ed;
    color: var(--login-orange-h);
    border-color: var(--login-orange);
}

body.login-page--split .login-forgot-link {
    color: var(--login-text-muted);
    font-weight: 500;
}

body.login-page--split .login-forgot-link:hover {
    color: var(--login-orange);
}

body.login-page--split .login-footer {
    margin-top: 2rem;
    padding: 0;
    color: #9ca3af;
    text-align: center;
    font-size: 0.875rem;
}

body.login-page--split.login-page--embed {
    overflow: hidden;
}

@media (max-width: 991.98px) {
    body.login-page--split.login-page--embed .login-hero {
        display: flex !important;
    }

    .login-hero {
        display: none !important;
    }

    .login-panel {
        flex: 1 1 100%;
        min-height: 100vh;
        padding: 2rem 1.25rem;
    }
}