/* ========== 用户端登录页 ========== */
.login-page {
    --login-primary: #4f46e5;
    --login-primary-700: #4338ca;
    --login-primary-50: #eef2ff;
    --login-primary-100: #e0e7ff;
    --login-ease: cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 100vh;
    margin: 0;
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    line-height: 1.55;
    color: #334155;
    -webkit-font-smoothing: antialiased;
    background: linear-gradient(165deg, #eef2ff 0%, #f8fafc 42%, #f0f4f8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 1rem;
    position: relative;
    overflow: hidden;
}

.login-bg {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}
.login-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.45;
    animation: login-orb-float 18s var(--login-ease) infinite alternate;
}
.login-bg-orb-a {
    width: 22rem;
    height: 22rem;
    top: -6rem;
    right: -4rem;
    background: radial-gradient(circle, #a5b4fc 0%, transparent 70%);
}
.login-bg-orb-b {
    width: 18rem;
    height: 18rem;
    bottom: -5rem;
    left: -3rem;
    background: radial-gradient(circle, #93c5fd 0%, transparent 70%);
    animation-delay: -6s;
}
@keyframes login-orb-float {
    from { transform: translate(0, 0) scale(1); }
    to { transform: translate(12px, -16px) scale(1.06); }
}

.login-shell {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 26rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    animation: login-shell-in 0.55s var(--login-ease) both;
}
@keyframes login-shell-in {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-card {
    width: 100%;
    background: rgb(255 255 255 / 0.92);
    backdrop-filter: blur(12px);
    border: 1px solid rgb(226 232 240 / 0.95);
    border-radius: 1rem;
    box-shadow:
        0 1px 2px rgb(15 23 42 / 0.04),
        0 12px 40px rgb(79 70 229 / 0.1);
    padding: 1.75rem 1.625rem 1.5rem;
    transition: box-shadow 0.32s var(--login-ease), transform 0.32s var(--login-ease);
}
.login-card:hover {
    box-shadow:
        0 1px 2px rgb(15 23 42 / 0.04),
        0 16px 48px rgb(79 70 229 / 0.14);
}

.login-brand {
    text-align: center;
    margin-bottom: 1.375rem;
}
.login-brand-icon {
    width: 3.25rem;
    height: 3.25rem;
    margin: 0 auto 0.875rem;
    border-radius: 0.875rem;
    background: linear-gradient(135deg, var(--login-primary-50) 0%, var(--login-primary-100) 100%);
    border: 1px solid #c7d2fe;
    color: var(--login-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgb(79 70 229 / 0.15);
    transition: transform 0.28s var(--login-ease);
}
.login-card:hover .login-brand-icon {
    transform: scale(1.04);
}
.login-brand-icon i {
    font-size: 1.35rem;
    color: inherit !important;
}
.login-title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: #1e293b;
    letter-spacing: 0.01em;
    line-height: 1.35;
}
.login-desc {
    margin: 0.5rem 0 0;
    font-size: 13px;
    color: #64748b;
    line-height: 1.55;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.login-field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.login-label {
    font-size: 13px;
    font-weight: 600;
    color: #475569;
    letter-spacing: 0.01em;
}
.login-input-wrap {
    position: relative;
}
.login-input-icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 13px;
    color: #94a3b8 !important;
    pointer-events: none;
    transition: color 0.22s var(--login-ease);
}
.login-input {
    width: 100%;
    height: 2.625rem;
    box-sizing: border-box;
    padding: 0 0.875rem 0 2.25rem;
    font-family: inherit;
    font-size: 14px;
    color: #1e293b;
    background: #fafbff;
    border: 1px solid #e2e8f0;
    border-radius: 0.625rem;
    outline: none;
    transition:
        border-color 0.22s var(--login-ease),
        box-shadow 0.22s var(--login-ease),
        background-color 0.22s var(--login-ease);
}
.login-input::placeholder {
    color: #94a3b8;
}
.login-input:hover {
    border-color: #cbd5e1;
    background: #fff;
}
.login-input:focus {
    border-color: var(--login-primary);
    background: #fff;
    box-shadow: 0 0 0 3px rgb(79 70 229 / 0.12);
}
.login-input:-webkit-autofill,
.login-input:-webkit-autofill:hover,
.login-input:-webkit-autofill:focus {
    -webkit-text-fill-color: #1e293b;
    box-shadow: 0 0 0 1000px #fafbff inset;
    border-color: #e2e8f0;
    transition: background-color 9999s ease-out 0s;
}
.login-input-wrap:focus-within .login-input-icon {
    color: var(--login-primary) !important;
}

.login-submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    width: 100%;
    height: 2.625rem;
    margin-top: 0.25rem;
    padding: 0 1rem;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(180deg, #6366f1 0%, var(--login-primary) 100%);
    border: 1px solid var(--login-primary);
    border-radius: 0.625rem;
    cursor: pointer;
    box-shadow: 0 2px 8px rgb(79 70 229 / 0.28);
    transition:
        background 0.22s var(--login-ease),
        border-color 0.22s var(--login-ease),
        box-shadow 0.22s var(--login-ease),
        transform 0.18s var(--login-ease);
}
.login-submit i {
    font-size: 14px;
    color: inherit !important;
}
.login-submit:hover:not(:disabled) {
    background: linear-gradient(180deg, #4f46e5 0%, var(--login-primary-700) 100%);
    border-color: var(--login-primary-700);
    box-shadow: 0 6px 20px rgb(79 70 229 / 0.32);
    transform: translateY(-1px);
}
.login-submit:active:not(:disabled) {
    transform: translateY(0);
}
.login-submit:disabled {
    opacity: 0.72;
    cursor: not-allowed;
    transform: none;
}

.login-message {
    min-height: 1.25rem;
    margin: 0;
    font-size: 13px;
    text-align: center;
    color: #64748b;
    line-height: 1.5;
    transition: color 0.22s var(--login-ease);
}
.login-message.is-error {
    color: #dc2626;
}
.login-message.is-success {
    color: #059669;
}

.login-footnote {
    margin: 0;
    font-size: 12px;
    color: #94a3b8;
    text-align: center;
    letter-spacing: 0.02em;
}

@media (max-width: 480px) {
    .login-card {
        padding: 1.375rem 1.125rem 1.25rem;
    }
    .login-title {
        font-size: 1.125rem;
    }
}