/* 夜煞云 - 登录/注册页面通用样式 */
html, body {
    height: 100%;
    overflow: hidden;
}

.auth-page {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: hidden;
    /* 奇幻风格背景：黄昏/黎明色调，橙粉紫蓝渐变 */
    background: linear-gradient(135deg, 
        #1a1a2e 0%, 
        #16213e 20%, 
        #2d2d5a 40%,
        #e94560 65%,
        #ff6b6b 80%,
        #f7c59f 95%,
        #e8d5b7 100%
    );
    background-size: 400% 400%;
    animation: authBgShift 15s ease infinite;
}

@keyframes authBgShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.98);
    border-radius: 24px;
    padding: 48px 40px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a1a2e;
    text-align: center;
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 0.95rem;
    color: #6c757d;
    text-align: center;
    margin-bottom: 36px;
}

/* 表单输入组 */
.auth-form-group {
    margin-bottom: 20px;
}

.auth-form-group label {
    display: none;
}

.auth-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.auth-input-wrap:focus-within {
    border-color: #495057;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(73, 80, 87, 0.1);
}

.auth-input-wrap input {
    flex: 1;
    padding: 14px 16px;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: #333;
}

.auth-input-wrap input::placeholder {
    color: #adb5bd;
}

.auth-input-wrap input:focus {
    outline: none;
}

/* 验证码 */
.auth-captcha-wrap {
    display: flex;
    align-items: center;
    gap: 12px;
}

.auth-captcha-wrap input {
    flex: 1;
    padding: 14px 16px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    background: #f8f9fa;
}

.auth-captcha-wrap input:focus {
    outline: none;
    border-color: #495057;
    background: #fff;
}

.auth-captcha-img {
    flex-shrink: 0;
    width: 120px;
    height: 40px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid #e9ecef;
}

.auth-captcha-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

/* 密码可见性切换 */
.auth-toggle-pwd {
    padding: 12px 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: #6c757d;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.auth-toggle-pwd:hover {
    color: #495057;
}

/* 邮箱后缀选择 */
.auth-email-suffix {
    display: flex;
    align-items: center;
    padding: 0 12px;
    border-left: 1px solid #e9ecef;
}

.auth-email-suffix select {
    padding: 14px 8px;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: #333;
    cursor: pointer;
    min-width: 100px;
}

.auth-email-suffix select:focus {
    outline: none;
}

/* 发送验证码按钮 */
.auth-send-code {
    padding: 12px 20px;
    background: #2d2d5a;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s;
}

.auth-send-code:hover:not(:disabled) {
    background: #1a1a2e;
    transform: translateY(-1px);
}

.auth-send-code:disabled {
    background: #adb5bd;
    cursor: not-allowed;
}

/* 主按钮 */
.auth-btn-primary {
    width: 100%;
    padding: 16px 24px;
    background: #2d2d5a;
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 28px;
    transition: all 0.3s;
}

.auth-btn-primary:hover {
    background: #1a1a2e;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(45, 45, 90, 0.4);
}

.auth-btn-primary:active {
    transform: translateY(0);
}

/* 底部链接区 */
.auth-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid #e9ecef;
}

.auth-footer a {
    color: #495057;
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: #1a1a2e;
}

.auth-lang {
    display: flex;
    align-items: center;
    gap: 6px;
    color: #6c757d;
    font-size: 0.9rem;
    cursor: pointer;
}

.auth-lang:hover {
    color: #495057;
}

.auth-lang svg {
    width: 18px;
    height: 18px;
}