/* 登录页面样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #0a0e1a 0%, #1a2332 50%, #0d1b2a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: rgba(22, 27, 34, 0.95);
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(0, 212, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* 头部 */
.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.logo {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    background: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.3);
}

.logo svg {
    width: 32px;
    height: 32px;
    color: #fff;
}

.login-header h1 {
    font-size: 24px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 8px;
}

.login-header p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.5);
}

/* 表单 */
.login-form {
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.form-group label svg {
    width: 16px;
    height: 16px;
    color: #00d4ff;
}

.form-group input {
    width: 100%;
    height: 44px;
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 14px;
    color: #fff;
    transition: all 0.3s ease;
}

.form-group input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.form-group input:focus {
    outline: none;
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

/* 选项 */
.form-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #00d4ff;
}

/* 登录按钮 */
.login-btn {
    width: 100%;
    height: 48px;
    background: linear-gradient(135deg, #00d4ff 0%, #0066ff 100%);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.4);
}

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

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: flex;
    align-items: center;
    gap: 8px;
}

.spinner {
    width: 18px;
    height: 18px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 底部 */
.login-footer {
    text-align: center;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.login-footer p {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.4);
}

/* 提示消息 */
.toast {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    background: #161b22;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 12px 24px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
}

.toast.success {
    border-color: rgba(0, 255, 136, 0.5);
}

.toast.error {
    border-color: rgba(255, 107, 107, 0.5);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toast-message {
    font-size: 14px;
    color: #fff;
}

/* 响应式 */
@media (max-width: 480px) {
    .login-container {
        padding: 16px;
    }
    
    .login-box {
        padding: 32px 24px;
    }
    
    .login-header h1 {
        font-size: 20px;
    }
}