@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

* {
    font-family: 'Inter', sans-serif;
}

body {
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    background-attachment: fixed;
    overflow-x: auto;
}

.star-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, rgba(255,255,255,0.8), transparent),
        radial-gradient(2px 2px at 40px 70px, rgba(255,255,255,0.6), transparent),
        radial-gradient(1px 1px at 90px 40px, rgba(255,255,255,0.9), transparent),
        radial-gradient(1px 1px at 130px 80px, rgba(255,255,255,0.7), transparent),
        radial-gradient(2px 2px at 160px 30px, rgba(255,255,255,0.5), transparent);
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: sparkle 3s ease-in-out infinite alternate;
    z-index: -1;
}

@keyframes sparkle {
    0% { opacity: 0.7; }
    100% { opacity: 1; }
}

.glass-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.glass-button {
    background: rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(99, 102, 241, 0.3);
    transition: all 0.3s ease;
    border-radius: 8px;
    padding: 8px 16px;
    color: white;
    cursor: pointer;
}

.glass-button:hover {
    background: rgba(99, 102, 241, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

.glass-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.neon-glow {
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

/* 导航按钮样式 */
.nav-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
    cursor: pointer;
}

.nav-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    color: white;
    border-color: rgba(99, 102, 241, 0.3);
}

.nav-btn.active {
    background: rgba(99, 102, 241, 0.3);
    color: white;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

/* 状态标签样式 */
.status-active {
    background: linear-gradient(135deg, #10b981, #059669);
}

.status-inactive {
    background: linear-gradient(135deg, #ef4444, #dc2626);
}

.status-expired {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.status-available {
    background: linear-gradient(135deg, #10b981, #059669);
}

.status-unavailable {
    background: linear-gradient(135deg, #6b7280, #4b5563);
}

/* 表格样式 */
.table-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.table-header {
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.table-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: background-color 0.2s ease;
}

.table-row:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* 输入框样式 */
.form-input {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    color: white;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: rgba(99, 102, 241, 0.5);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* 选择框样式 */
.form-select {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 12px 16px;
    color: white;
    cursor: pointer;
}

.form-select option {
    background: #1a1a2e;
    color: white;
}

/* 模态框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 24px;
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
}

/* 消息提示样式 */
.message {
    padding: 12px 20px;
    border-radius: 8px;
    margin-bottom: 8px;
    animation: slideInRight 0.3s ease;
}

.message-success {
    background: rgba(16, 185, 129, 0.2);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
}

.message-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.message-warning {
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: #f59e0b;
}

.message-info {
    background: rgba(59, 130, 246, 0.2);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #3b82f6;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* 图表容器样式 */
.chart-container {
    position: relative;
    height: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 16px;
}

/* 统计卡片样式 */
.stat-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 24px;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

/* 分页样式 */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
}

.pagination-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    padding: 8px 12px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover {
    background: rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.3);
}

.pagination-btn.active {
    background: rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .glass-card {
        margin: 16px;
        padding: 16px;
    }
    
    .nav-btn {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .stat-card {
        padding: 16px;
    }
    
    .modal-content {
        margin: 16px;
        padding: 16px;
    }
}

/* 隐藏类 */
.hidden {
    display: none !important;
}

/* 加载动画 */
.loading-spinner {
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top: 2px solid #6366f1;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
}

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

/* 工具提示 */
.tooltip {
    position: relative;
    cursor: help;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    white-space: nowrap;
    z-index: 1000;
}

/* 拖拽上传区域 */
.upload-area {
    border: 2px dashed rgba(99, 102, 241, 0.3);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
}

.upload-area:hover,
.upload-area.dragover {
    border-color: rgba(99, 102, 241, 0.5);
    background: rgba(99, 102, 241, 0.1);
}

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    transition: width 0.3s ease;
}

/* 标签样式 */
.tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
}

.tag-primary {
    background: rgba(99, 102, 241, 0.2);
    color: #6366f1;
    border: 1px solid rgba(99, 102, 241, 0.3);
}

.tag-success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.tag-warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.tag-danger {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.tag-secondary {
    background: rgba(107, 114, 128, 0.2);
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.3);
}

/* 徽章样式 */
.badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.75rem;
    font-weight: 500;
    text-align: center;
}

.badge-blue {
    background: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.badge-green {
    background: rgba(34, 197, 94, 0.2);
    color: #86efac;
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.badge-yellow {
    background: rgba(245, 158, 11, 0.2);
    color: #fde047;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-red {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.badge-purple {
    background: rgba(147, 51, 234, 0.2);
    color: #c4b5fd;
    border: 1px solid rgba(147, 51, 234, 0.3);
}

/* 复选框样式 */
input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 0.25rem;
    cursor: pointer;
}

input[type="checkbox"]:checked {
    background: #3b82f6;
    border-color: #3b82f6;
}

/* 文件上传区域样式 */
#uploadArea.border-blue-400 {
    border-color: #60a5fa !important;
    background: rgba(59, 130, 246, 0.1);
}