/* ==================== 登录页面样式 ==================== */
:root {
    --primary-color: #d4a5a5;
    --secondary-color: #f8e1e7;
    --accent-color: #c9a86c;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-white: #ffffff;
    --bg-light: #fafafa;
    --border-color: #e8e8e8;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    background: var(--bg-white);
    min-height: 100vh;
}

.login-container {
    display: flex;
    min-height: 100vh;
}

/* 左侧品牌展示 */
.login-left {
    flex: 1;
    background: linear-gradient(135deg, var(--secondary-color) 0%, #fff 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.login-left::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="none" stroke="%23d4a5a5" stroke-width="0.5" opacity="0.1"/></svg>');
    background-size: 200px;
    animation: float 20s linear infinite;
}

@keyframes float {
    from {
        transform: translate(0, 0);
    }
    to {
        transform: translate(100px, 100px);
    }
}

.brand-section {
    text-align: center;
    position: relative;
    z-index: 1;
}

.brand-logo {
    margin-bottom: var(--spacing-lg);
}

.brand-logo img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
}

.logo-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    font-weight: 500;
    margin: 0 auto;
}

.brand-section h1 {
    font-family: 'Georgia', serif;
    font-size: 36px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 4px;
}

.brand-section > p {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 2px;
    margin-bottom: var(--spacing-xl);
}

.brand-description {
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    backdrop-filter: blur(10px);
}

.brand-description p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin: var(--spacing-xs) 0;
}

/* 右侧登录表单 */
.login-right {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    background: var(--bg-white);
}

.login-box {
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.login-header h2 {
    font-family: 'Georgia', serif;
    font-size: 28px;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 登录表单 */
.login-form {
    margin-bottom: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    font-size: 18px;
    color: var(--text-light);
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(212, 165, 165, 0.2);
}

.input-wrapper input::placeholder {
    color: var(--text-light);
}

.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 18px;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.toggle-password:hover {
    opacity: 1;
}

/* 表单选项 */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.remember-me {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.forgot-link {
    font-size: 14px;
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.forgot-link:hover {
    color: #c49494;
}

/* 登录按钮 */
.btn-login {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

.btn-loader {
    animation: spin 1s linear infinite;
}

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

/* 登录页脚 */
.login-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    font-size: 12px;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

.admin-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 13px;
}

.admin-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.admin-links a:hover {
    color: var(--primary-color);
}

.admin-links span {
    color: var(--text-light);
}

/* 通知提示 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-medium);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    z-index: 10000;
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: bold;
}

.notification-success .notification-icon {
    background: #51cf66;
    color: white;
}

.notification-error .notification-icon {
    background: #ff6b6b;
    color: white;
}

.notification-message {
    font-size: 14px;
    color: var(--text-primary);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .login-container {
        flex-direction: column;
    }
    
    .login-left {
        flex: none;
        padding: var(--spacing-lg);
        min-height: auto;
    }
    
    .brand-section h1 {
        font-size: 28px;
    }
    
    .brand-description {
        display: none;
    }
    
    .login-right {
        flex: 1;
        padding: var(--spacing-lg);
    }
    
    .login-box {
        max-width: 100%;
    }
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    :root {
        --text-primary: #f0f0f0;
        --text-secondary: #cccccc;
        --text-light: #999999;
        --bg-white: #1a1a1a;
        --bg-light: #2a2a2a;
        --border-color: #444444;
    }
    
    .login-left {
        background: linear-gradient(135deg, #2a2525 0%, #1a1a1a 100%);
    }
    
    .brand-description {
        background: rgba(42, 42, 42, 0.8);
    }
}