/* 登录弹窗样式 */
.login-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.login-modal {
    background: #fff;
    border-radius: 16px;
    width: 420px;
    max-width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.3s ease;
    overflow: hidden;
}

.login-overlay.active .login-modal {
    transform: scale(1);
}

.login-header {
    position: relative;
    padding: 24px 24px 16px;
    text-align: center;
    border-bottom: 1px solid #f0f0f0;
}

.login-header h2 {
    margin: 0;
    font-size: 22px;
    font-weight: 600;
    color: #333;
}

.login-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border: none;
    background: #f5f5f5;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.login-close:hover {
    background: #e8e8e8;
}

.login-close::before,
.login-close::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 2px;
    background: #666;
    border-radius: 1px;
}

.login-close::before {
    transform: rotate(45deg);
}

.login-close::after {
    transform: rotate(-45deg);
}

/* 登录方式切换 */
.login-tabs {
    display: flex;
    border-bottom: 1px solid #f0f0f0;
}

.login-tab {
    flex: 1;
    padding: 14px;
    text-align: center;
    font-size: 15px;
    color: #999;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    background: transparent;
}

.login-tab:hover {
    color: #666;
}

.login-tab.active {
    color: #8b5cf6;
    font-weight: 500;
    border-bottom: 2px solid #8b5cf6;
    margin-bottom: -1px;
}

/* 登录内容区 */
.login-content {
    padding: 24px;
}

.login-panel {
    display: none;
}

.login-panel.active {
    display: block;
}

/* 扫码登录 */
.qrcode-container {
    text-align: center;
    padding: 16px 0;
}

.qrcode-wrapper {
    display: inline-block;
    padding: 12px;
    background: #f8f8f8;
    border-radius: 12px;
    margin-bottom: 16px;
}

.qrcode-wrapper img {
    width: 180px;
    height: 180px;
    display: block;
}

.qrcode-status {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.qrcode-status.expired {
    color: #f56c6c;
}

.qrcode-tip {
    font-size: 12px;
    color: #999;
}

.qrcode-refresh {
    margin-top: 12px;
    padding: 8px 20px;
    background: #8b5cf6;
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.qrcode-refresh:hover {
    background: #7c3aed;
}

/* 表单样式 */
.login-form {
    padding: 8px 0;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: #333;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s;
    box-sizing: border-box;
}

.form-input:focus {
    outline: none;
    border-color: #8b5cf6;
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-input::placeholder {
    color: #bbb;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-input {
    flex: 1;
}

.code-btn {
    padding: 0 20px;
    background: #8b5cf6;
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.code-btn:hover {
    background: #7c3aed;
}

.code-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.login-error {
    padding: 10px 12px;
    background: #fef0f0;
    border-radius: 8px;
    color: #f56c6c;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
}

.login-error.show {
    display: block;
}

.login-submit {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.login-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.login-submit:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* 用户信息区域 */
.user-info {
    display: none;
    align-items: center;
    gap: 6px;
    position: relative;
    margin-right: 10px;
}

.user-info.logged-in {
    display: flex;
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.user-name {
    color: #fff;
    font-size: 14px;
    max-width: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    min-width: 120px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.2s;
    z-index: 100;
}

.user-info:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: block;
    padding: 12px 16px;
    color: #333;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.dropdown-item:hover {
    background: #f5f5f5;
    color: #8b5cf6;
}

.dropdown-item.logout {
    color: #f56c6c;
    border-top: 1px solid #f0f0f0;
}

.dropdown-item.logout:hover {
    background: #fef0f0;
}

/* 登录按钮 */
.login-btn {
    padding: 8px 20px;
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);
    color: #fff;
    border: none;
    border-radius: 20px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s;
}

.login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

/* 导航栏调整 */
.nav-right {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-right ul {
    display: flex;
    align-items: center;
    margin: 0;
    padding: 0;
}

.nav-right .imessage {
    display: flex;
    align-items: center;
    width: auto;
    height: auto;
    margin-left: 20px;
}

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #fff;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 8px;
    vertical-align: middle;
}

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