/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --success-color: #28a745;
    --warning-color: #ff9800;
    --error-color: #f44336;
    --text-dark: #333;
    --text-light: #666;
    --text-muted: #999;
    --bg-light: #f8f9fa;
    --bg-white: #ffffff;
    --border-color: #e0e0e0;
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
    --radius-sm: 10px;
    --radius-md: 15px;
    --radius-lg: 20px;
    --radius-xl: 25px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}


#app {
    width: 100%;
    background: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 加载状态 */
.loading {
    text-align: center;
    color: white;
    font-size: 18px;
    padding: 40px;
}

/* 登录容器 */
.login-container {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 60px 50px;
    max-width: 450px;
    margin: 0 auto;
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 40px;
}

.login-header h1 {
    color: #333;
    font-size: 32px;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 16px;
}

/* 表单样式 */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    padding: 14px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    outline: none;
}

.form-group input:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group input.error {
    border-color: #f44336;
}

.error-message {
    color: #f44336;
    font-size: 13px;
    margin-top: 4px;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    outline: none;
    text-decoration: none;
    text-align: center;
    white-space: nowrap;
    user-select: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover:not(:disabled) {
    background: #f5f7ff;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: var(--success-color);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background: #218838;
    transform: translateY(-2px);
}

.btn-warning {
    background: var(--warning-color);
    color: white;
}

.btn-warning:hover:not(:disabled) {
    background: #e68900;
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--error-color);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background: #d32f2f;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 18px;
}

.btn-block {
    display: block;
    width: 100%;
}

/* 分隔线 */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 30px 0;
    color: #999;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e0e0e0;
}

.divider span {
    padding: 0 15px;
    font-size: 14px;
}

/* 社交登录按钮 */
.social-login {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn-google {
    background: white;
    color: #333;
    border: 2px solid #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.btn-google:hover {
    background: #f8f8f8;
    border-color: #d0d0d0;
}

/* 主内容区域 */
.main-content {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 60px 50px;
    animation: fadeIn 0.5s ease-in;
}

.main-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.main-header h1 {
    color: #333;
    font-size: 28px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.user-email {
    color: #666;
    font-size: 14px;
}

.content-section {
    padding: 30px;
    background: #f9f9f9;
    border-radius: 15px;
    margin-top: 20px;
}

.content-section h2 {
    color: #333;
    font-size: 24px;
    margin-bottom: 15px;
}

.content-section p {
    color: #666;
    line-height: 1.6;
    font-size: 16px;
}

/* 模态框样式 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease-in;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: var(--radius-xl);
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 10000;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(0, 0, 0, 0.05);
    color: var(--text-light);
    font-size: 28px;
    line-height: 1;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    z-index: 10001;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.1);
    color: var(--text-dark);
    transform: rotate(90deg) scale(1.1);
}

.modal .login-container {
    box-shadow: none;
    margin: 0;
    padding: 60px 50px 50px;
}

.login-tip {
    background: linear-gradient(135deg, #fff3cd, #fff8e1);
    color: #856404;
    padding: 15px 20px;
    border-radius: var(--radius-md);
    margin: 20px 20px 0;
    font-size: 14px;
    text-align: center;
    border: 2px solid #ffc107;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
}

.login-tip::before {
    content: "⚠️";
    font-size: 18px;
}

/* 用户设置样式 */
.settings-container {
    max-width: 600px;
    margin: 0 auto;
}

.settings-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f0f0f0;
}

.settings-header h2 {
    color: #333;
    font-size: 24px;
}

.settings-section {
    background: white;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.settings-section h3 {
    color: #667eea;
    font-size: 18px;
    margin-bottom: 20px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    padding: 10px 0;
}

.info-item label {
    font-weight: 600;
    color: #333;
    min-width: 80px;
}

.info-item span {
    color: #666;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-warning {
    background: #fff3cd;
    color: #856404;
}

.hint {
    color: #999;
    font-size: 14px;
    margin-top: 10px;
    font-style: italic;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

/* ========================================
   页面标题样式 - 简洁现代风格
   ======================================== */
h1.elementor-heading-title {
    font-size: 20px;
    font-weight: 700;
    color: #111827;
    text-align: center;
    margin: 20px 0 20px 0;
    max-width: 1200px;
    padding: 0 20px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

/* 通用工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 40px; }

.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 40px; }

.p-1 { padding: 8px; }
.p-2 { padding: 16px; }
.p-3 { padding: 24px; }
.p-4 { padding: 32px; }
.p-5 { padding: 40px; }

.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--error-color); }
.text-muted { color: var(--text-muted); }

.bg-primary { background: var(--primary-color); }
.bg-light { background: var(--bg-light); }
.bg-white { background: var(--bg-white); }

.rounded { border-radius: var(--radius-sm); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.d-flex { display: flex; }
.flex-column { flex-direction: column; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.gap-3 { gap: 24px; }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

/* 加载动画 */
.spinner {
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-left-color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 淡入动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 脉动动画 */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
    transition: var(--transition);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .container {
        max-width: 960px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 720px;
    }
}

@media (max-width: 768px) {
    .login-container,
    .main-content {
        padding: 40px 30px;
    }

    .login-header h1 {
        font-size: 26px;
    }

    .main-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .modal-content {
        width: 95%;
        max-height: 95vh;
    }

    .modal .login-container {
        padding: 50px 30px 30px;
    }

    .btn {
        padding: 10px 20px;
        font-size: 14px;
    }

    .btn-lg {
        padding: 14px 30px;
        font-size: 16px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 15px;
    }

    body {
        font-size: 14px;
    }

    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 18px; }

    .modal .login-container {
        padding: 40px 20px 20px;
    }
}

/* 打印样式 */
@media print {
    .navbar,
    .footer,
    .modal,
    .btn {
        display: none;
    }
}

/* 暗色模式支持（可选） */
@media (prefers-color-scheme: dark) {
    /* 如果需要暗色模式，可以在这里添加样式 */
}