/* ==================== 金牛AI平台 - 全局样式 ==================== */
/* 设计：浅金白渐变、扁平线性图标、极简风格、动态动画 */

:root {
    --color-primary: #C2B59B;
    --color-primary-light: #D4C5A8;
    --color-primary-dark: #A89B82;
    --color-white: #FFFFFF;
    --color-gray: #ADADAD;
    --color-light: #F5F3EF;
    --color-light-2: #FAFAF8;
    --color-dark: #2C2C2C;
    --color-dark-2: #1A1A1A;
    --color-success: #52C41A;
    --color-warning: #FAAD14;
    --color-danger: #FF4D4F;
    --color-info: #C2B59B;
    --gradient-gold: linear-gradient(135deg, #C2B59B 0%, #D4C5A8 50%, #E8DCC4 100%);
    --gradient-light: linear-gradient(135deg, #FFFFFF 0%, #F5F3EF 100%);
    --gradient-card: linear-gradient(145deg, #FFFFFF 0%, #FAFAF8 100%);
    --shadow-sm: 0 2px 8px rgba(194, 181, 155, 0.08);
    --shadow-md: 0 4px 20px rgba(194, 181, 155, 0.12);
    --shadow-lg: 0 8px 40px rgba(194, 181, 155, 0.16);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --golden-ratio: 1.618;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--color-light);
    color: var(--color-dark);
    margin: 0;
    min-height: 100vh;
    overflow-x: hidden;
}

/* 动态背景网格 */
.bg-gradient-mesh {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(194, 181, 155, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(194, 181, 155, 0.04) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.5) 0%, transparent 70%);
    z-index: -1;
    animation: meshFloat 20s ease-in-out infinite;
}

@keyframes meshFloat {
    0%, 100% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.05) translate(10px, -10px); }
}

/* ==================== 导航栏 ==================== */
.navbar-custom {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(194, 181, 155, 0.15);
    padding: 0.625rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.brand-text {
    font-size: 1.25rem;
    font-weight: 600;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
}

.navbar-nav .nav-link {
    color: var(--color-dark) !important;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--color-primary) !important;
    background: rgba(194, 181, 155, 0.08);
}

.navbar-nav .nav-link.active {
    color: var(--color-primary) !important;
    background: rgba(194, 181, 155, 0.12);
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.balance-badge {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.875rem;
    background: var(--gradient-gold);
    color: var(--color-white);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.nav-avatar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    color: var(--color-dark);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-avatar:hover { background: rgba(194, 181, 155, 0.08); }

.nav-avatar img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
}

.nav-avatar .username {
    font-size: 0.9rem;
    font-weight: 500;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ==================== 按钮 ==================== */
.btn-gold {
    background: var(--gradient-gold);
    color: var(--color-white);
    border: none;
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.btn-gold:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    color: var(--color-white);
}

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

.btn-gold::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-gold:hover::before { width: 300px; height: 300px; }

.btn-outline-gold {
    background: transparent;
    color: var(--color-primary);
    border: 1.5px solid var(--color-primary);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: var(--transition);
}

.btn-outline-gold:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

/* ==================== 卡片 ==================== */
.card-custom {
    background: var(--gradient-card);
    border: 1px solid rgba(194, 181, 155, 0.12);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card-custom:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: rgba(194, 181, 155, 0.3);
}

/* 统计卡片 */
.stat-card {
    background: var(--gradient-card);
    border: 1px solid rgba(194, 181, 155, 0.12);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-gold);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: rgba(194, 181, 155, 0.1);
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.stat-card .stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.2;
}

.stat-card .stat-label {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-top: 0.25rem;
}

/* ==================== 主内容区 ==================== */
.main-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    min-height: calc(100vh - 200px);
}

/* ==================== Cookie 横幅 ==================== */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(194, 181, 155, 0.2);
    padding: 1rem 1.5rem;
    z-index: 999;
    animation: slideUp 0.5s ease;
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cookie-content {
    display: flex;
    align-items: center;
    gap: 1rem;
    max-width: 1280px;
    margin: 0 auto;
    font-size: 0.875rem;
    color: var(--color-dark);
}

.cookie-content i {
    font-size: 1.5rem;
    color: var(--color-primary);
}

/* ==================== 表格 ==================== */
.table-custom {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-custom th {
    background: var(--color-light);
    color: var(--color-gray);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid rgba(194, 181, 155, 0.15);
    text-align: left;
}

.table-custom td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid rgba(194, 181, 155, 0.08);
    font-size: 0.9rem;
}

.table-custom tbody tr {
    transition: var(--transition);
}

.table-custom tbody tr:hover {
    background: rgba(194, 181, 155, 0.04);
}

/* ==================== 表单 ==================== */
.form-control-custom, .form-select-custom {
    width: 100%;
    padding: 0.625rem 1rem;
    border: 1.5px solid rgba(194, 181, 155, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    background: var(--color-white);
    transition: var(--transition);
    outline: none;
}

.form-control-custom:focus, .form-select-custom:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(194, 181, 155, 0.12);
}

.form-label-custom {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-dark);
    margin-bottom: 0.375rem;
    display: block;
}

/* ==================== 标签/徽章 ==================== */
.badge-custom {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.625rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-active {
    background: rgba(82, 196, 26, 0.1);
    color: #52C41A;
}

.badge-inactive {
    background: rgba(255, 77, 79, 0.1);
    color: #FF4D4F;
}

.badge-gold {
    background: rgba(194, 181, 155, 0.15);
    color: var(--color-primary-dark);
}

/* ==================== Toast 通知 ==================== */
.toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast-item {
    background: var(--color-white);
    border: 1px solid rgba(194, 181, 155, 0.15);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 280px;
    max-width: 400px;
    animation: toastIn 0.3s ease;
}

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

.toast-item.toast-success { border-left: 3px solid #52C41A; }
.toast-item.toast-error { border-left: 3px solid #FF4D4F; }
.toast-item.toast-info { border-left: 3px solid var(--color-primary); }

/* ==================== 模态框 ==================== */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

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

.modal-box {
    background: var(--color-white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    animation: modalIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalIn {
    from { transform: scale(0.9) translateY(20px); opacity: 0; }
    to { transform: scale(1) translateY(0); opacity: 1; }
}

.modal-header-custom {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid rgba(194, 181, 155, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title-custom {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-dark);
}

.modal-body-custom { padding: 1.5rem; }
.modal-footer-custom {
    padding: 1rem 1.5rem;
    border-top: 1px solid rgba(194, 181, 155, 0.1);
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
}

/* ==================== 页脚 ==================== */
.footer {
    background: var(--color-white);
    border-top: 1px solid rgba(194, 181, 155, 0.12);
    padding: 1.5rem;
    margin-top: 2rem;
}

.footer-content {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-dark);
    margin: 0;
}

.footer-contact {
    font-size: 0.8rem;
    color: var(--color-gray);
    margin: 0.25rem 0;
}

.footer-contact a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-contact a:hover { text-decoration: underline; }

.footer-disclaimer {
    font-size: 0.75rem;
    color: var(--color-gray);
    padding: 0.25rem 0.75rem;
    background: rgba(194, 181, 155, 0.06);
    border-radius: 12px;
    display: inline-block;
    margin-top: 0.5rem;
}

/* ==================== 代码块 ==================== */
.code-block {
    background: #2C2C2C;
    color: #E8DCC4;
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    position: relative;
}

.code-block .copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: rgba(194, 181, 155, 0.2);
    color: #E8DCC4;
    border: none;
    border-radius: 6px;
    padding: 0.25rem 0.5rem;
    cursor: pointer;
    font-size: 0.75rem;
    transition: var(--transition);
}

.code-block .copy-btn:hover { background: var(--color-primary); }

/* ==================== 空状态 ==================== */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-gray);
}

.empty-state i {
    font-size: 3rem;
    color: rgba(194, 181, 155, 0.3);
    margin-bottom: 1rem;
}

/* ==================== 加载动画 ==================== */
.spinner-gold {
    width: 24px;
    height: 24px;
    border: 2.5px solid rgba(194, 181, 155, 0.2);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== 响应式 ==================== */
@media (max-width: 768px) {
    .main-content { padding: 1rem; }
    .nav-avatar .username { display: none; }
    .stat-card .stat-value { font-size: 1.4rem; }
    .cookie-content { flex-direction: column; text-align: center; gap: 0.5rem; }
}

/* ==================== 首页专用 ==================== */
.hero-section {
    text-align: center;
    padding: 4rem 1rem 3rem;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray);
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.6;
}

.feature-card {
    background: var(--gradient-card);
    border: 1px solid rgba(194, 181, 155, 0.12);
    border-radius: var(--radius);
    padding: 2rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(194, 181, 155, 0.3);
}

.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(194, 181, 155, 0.1);
    color: var(--color-primary);
    font-size: 1.75rem;
}

/* 流程图样式 */
.flow-chart {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    padding: 1.5rem;
}

.flow-node {
    background: var(--gradient-card);
    border: 1.5px solid var(--color-primary);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1.25rem;
    text-align: center;
    min-width: 120px;
    transition: var(--transition);
}

.flow-node:hover {
    box-shadow: var(--shadow-md);
    transform: scale(1.05);
}

.flow-arrow {
    color: var(--color-primary);
    font-size: 1.5rem;
}

/* 动画边框 */
.animated-border {
    position: relative;
    overflow: hidden;
}

.animated-border::after {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-gold);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.animated-border:hover::after { transform: translateX(0); }