/* ============================================
   登录页样式
   ============================================ */

.auth-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.login-wrap {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 380px;
}

.login-card {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 40px 36px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 24px 60px var(--shadow-soft), 0 0 40px var(--accent-mid);
    animation: loginIn 0.5s ease-out;
}

@keyframes loginIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-brand {
    text-align: center;
    margin-bottom: 4px;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 16px;
    border-radius: 16px;
    background: var(--gradient-1);
    color: #fff;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 1px;
    box-shadow: 0 0 24px var(--accent-strong);
}

.login-brand h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.login-sub {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.login-error {
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--danger-soft);
    border: 1px solid var(--danger-strong);
    color: var(--danger);
    font-size: 0.85rem;
    text-align: center;
}

.field {
    display: block;
}

.field-label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.field input {
    width: 100%;
    padding: 12px 14px;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-primary);
    background: var(--fill-subtle);
    border: 1px solid var(--border);
    border-radius: 10px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.field input::placeholder {
    color: var(--text-secondary);
}

.field input:focus {
    border-color: var(--accent);
    background: var(--fill-muted);
    box-shadow: 0 0 0 3px var(--accent-mid);
}

.field-password {
    position: relative;
    display: block;
}

.field-password input {
    padding-right: 62px;
}

.toggle-password {
    position: absolute;
    top: 50%;
    right: 8px;
    transform: translateY(-50%);
    padding: 6px 10px;
    font-size: 0.78rem;
    font-family: inherit;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}

.toggle-password:hover {
    color: var(--accent-glow);
    background: var(--accent-soft);
}

.login-submit {
    margin-top: 6px;
    padding: 13px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    letter-spacing: 2px;
    color: #fff;
    background: var(--gradient-1);
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 26px var(--accent-strong);
}

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

.login-back {
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.login-back:hover {
    color: var(--accent-glow);
}

@media (max-width: 480px) {
    .login-card {
        padding: 32px 22px;
    }
}