/* 管理后台登录 — 与 index.aspx SoybeanAdmin 色调一致 */
:root {
    --login-bg: #f5f7fb;
    --login-bg-accent: #646cff;
    --login-card: #ffffff;
    --login-text: #1f2225;
    --login-muted: #606266;
    --login-muted-light: #909399;
    --login-border: #e8e8ed;
    --login-border-focus: #d4d7f0;
    --login-primary: #646cff;
    --login-primary-hover: #535bf2;
    --login-primary-soft: rgba(100, 108, 255, 0.12);
    --login-primary-glow: rgba(100, 108, 255, 0.28);
    --login-gradient: linear-gradient(145deg, #646cff 0%, #7b83ff 55%, #8b5cf6 100%);
    --login-radius: 12px;
    --login-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 4px 24px rgba(100, 108, 255, 0.1);
    --login-font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "SF Pro Display", "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
}

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

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    font-family: var(--login-font);
    -webkit-font-smoothing: antialiased;
}

body.login-page {
    min-height: 100%;
    background: var(--login-bg);
    -webkit-font-smoothing: antialiased;
}

.login-shell {
    display: flex;
    min-height: 100vh;
}

.login-brand {
    flex: 1;
    display: none;
    position: relative;
    padding: 48px;
    color: #ffffff;
    background: linear-gradient(155deg, #646cff 0%, #7b83ff 48%, #8b5cf6 100%);
    overflow: hidden;
}

@media (min-width: 960px) {
    .login-brand {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        flex: 1 1 50%;
        width: 50%;
        max-width: 50%;
    }
}

.login-brand::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.12) 0%, transparent 45%);
    pointer-events: none;
}

.login-brand-inner {
    position: relative;
    z-index: 1;
    max-width: 520px;
}

.login-brand-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
}

.login-brand-badge i {
    font-size: 11px;
    opacity: 0.9;
}

.login-brand h1 {
    margin: 28px 0 16px;
    font-size: clamp(28px, 4vw, 36px);
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: -0.02em;
}

.login-brand p {
    margin: 0;
    font-size: 15px;
    line-height: 1.7;
    color: rgba(248, 250, 252, 0.78);
}

.login-brand-features {
    position: relative;
    z-index: 1;
    display: grid;
    gap: 12px;
    margin-top: auto;
    padding-top: 48px;
}

.login-brand-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(248, 250, 252, 0.85);
}

.login-brand-feature i {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    font-size: 14px;
}

.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    background: var(--login-bg);
}

@media (min-width: 960px) {
    .login-main {
        flex: 1 1 50%;
        width: 50%;
        max-width: 50%;
        padding: 56px 48px;
    }

    .login-card {
        max-width: min(520px, 88%);
    }
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 480px;
    padding: 48px 44px 40px;
    background: var(--login-card);
    border-radius: var(--login-radius);
    box-shadow: var(--login-shadow);
    border: 1px solid var(--login-border);
    overflow: hidden;
}

.login-card-header {
    margin-bottom: 36px;
}

.login-card-header .logo-mark {
    width: 56px;
    height: 56px;
    margin-bottom: 24px;
    border-radius: 14px;
    background: var(--login-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    box-shadow: 0 6px 18px var(--login-primary-glow);
}

.login-card-header h2 {
    margin: 0 0 10px;
    font-size: 28px;
    font-weight: 700;
    color: var(--login-text);
    letter-spacing: -0.02em;
}

.login-card-header p {
    margin: 0;
    font-size: 15px;
    color: var(--login-muted);
    line-height: 1.5;
}

.login-field {
    margin-bottom: 24px;
}

.login-field label {
    display: block;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 600;
    color: var(--login-text);
}

.login-input-wrap {
    position: relative;
}

.login-input-wrap i.field-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-muted);
    font-size: 17px;
    pointer-events: none;
    transition: color 0.2s;
}

.login-input-wrap input {
    width: 100%;
    height: 50px;
    padding: 0 48px;
    font-size: 17px;
    color: var(--login-text);
    background: #f8f9ff;
    border: 1px solid var(--login-border);
    border-radius: 8px;
    outline: none;
    transition: box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

.login-input-wrap input::placeholder {
    color: var(--login-muted-light);
}

.login-input-wrap input:hover {
    background: #ffffff;
    border-color: var(--login-border-focus);
}

.login-input-wrap input:focus {
    background: #ffffff;
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px var(--login-primary-soft);
}

.login-input-wrap:focus-within i.field-icon {
    color: var(--login-primary);
}

.login-remember {
    margin: -8px 0 16px;
}

.login-remember-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    color: var(--login-muted);
    cursor: pointer;
    user-select: none;
}

.login-remember-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin: 0;
    accent-color: var(--login-primary);
    cursor: pointer;
}

.login-remember-label:hover {
    color: var(--login-text);
}

.login-submit {
    width: 100%;
    height: 50px;
    margin-top: 0;
    padding: 0 20px;
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    background: var(--login-primary);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: transform 0.12s, background 0.15s, opacity 0.2s;
    box-shadow: none;
}

.login-submit:hover {
    background: var(--login-primary-hover);
    box-shadow: 0 4px 14px var(--login-primary-glow);
    transform: translateY(-1px);
}

.login-submit:active {
    transform: translateY(0);
}

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

.login-submit.is-loading {
    pointer-events: none;
    position: relative;
    color: transparent;
}

.login-submit.is-loading .fa {
    visibility: hidden;
}

.login-submit.is-loading::after {
    content: "";
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-top-color: #fff;
    animation: login-spin 0.7s linear infinite;
}

/* 登录加载遮罩 */
.login-loading {
    position: absolute;
    inset: 0;
    z-index: 20;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.82);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s ease, visibility 0.28s ease;
}

.login-loading.is-active {
    opacity: 1;
    visibility: visible;
}

.login-loading-panel {
    text-align: center;
    transform: translateY(8px) scale(0.96);
    opacity: 0;
    transition: transform 0.32s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.32s ease;
}

.login-loading.is-active .login-loading-panel {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.login-loading-spinner {
    position: relative;
    width: 72px;
    height: 72px;
    margin: 0 auto 22px;
}

.login-loading-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid var(--login-primary-soft);
    border-top-color: var(--login-primary);
    border-right-color: #8b5cf6;
    animation: login-spin 0.9s linear infinite;
}

.login-loading-ring-inner {
    position: absolute;
    inset: 10px;
    border-radius: 50%;
    border: 2px solid transparent;
    border-bottom-color: rgba(100, 108, 255, 0.45);
    animation: login-spin 1.4s linear infinite reverse;
}

.login-loading-icon {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--login-primary);
    animation: login-icon-pulse 1.6s ease-in-out infinite;
}

.login-loading-title {
    margin: 0 0 8px;
    font-size: 17px;
    font-weight: 700;
    color: var(--login-text);
    letter-spacing: 0.02em;
}

.login-loading-desc {
    margin: 0 0 16px;
    font-size: 13px;
    color: var(--login-muted);
}

.login-loading-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 8px;
}

.login-loading-progress span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--login-primary);
    opacity: 0.35;
    animation: login-dot-bounce 1.2s ease-in-out infinite;
}

.login-loading-progress span:nth-child(2) {
    animation-delay: 0.15s;
}

.login-loading-progress span:nth-child(3) {
    animation-delay: 0.3s;
}

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

@keyframes login-icon-pulse {
    0%,
    100% {
        opacity: 0.75;
        transform: scale(0.92);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes login-dot-bounce {
    0%,
    80%,
    100% {
        opacity: 0.35;
        transform: translateY(0) scale(0.85);
    }
    40% {
        opacity: 1;
        transform: translateY(-6px) scale(1);
    }
}

.login-footer {
    margin-top: 32px;
    padding-top: 22px;
    border-top: 1px solid var(--login-border);
    text-align: center;
    font-size: 13px;
    color: var(--login-muted);
    line-height: 1.6;
}

.login-footer strong {
    color: var(--login-text);
    font-weight: 600;
}

/* 移动端顶部品牌条 */
.login-mobile-brand {
    display: block;
    text-align: center;
    margin-bottom: 28px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--login-border);
}

@media (min-width: 960px) {
    .login-mobile-brand {
        display: none;
    }
}

@media (max-width: 959px) {
    .login-card-header .logo-mark {
        display: none;
    }

    .login-card {
        padding: 32px 24px 28px;
    }
}

.login-mobile-brand h2 {
    margin: 12px 0 4px;
    font-size: 20px;
    font-weight: 700;
    color: var(--login-text);
}

.login-mobile-brand p {
    margin: 0;
    font-size: 13px;
    color: var(--login-muted);
}

.login-mobile-brand .logo-mark {
    width: 44px;
    height: 44px;
    margin: 0 auto;
    border-radius: 12px;
    background: var(--login-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
}