:root {
    --primary-color: #4CAF50;
    --secondary-color: #2196F3;
    --danger-color: #f44336;
    --text-color: #333;
    --background-color: #f5f5f5;
    --border-color: #ddd;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
}

#app {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
    margin-bottom: 1rem;
}

nav {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background-color: var(--primary-color);
    color: white;
    transition: background-color 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

.tab-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: white;
    cursor: pointer;
}

.tab-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.tab-content {
    display: none;
    padding: 1rem;
    background-color: white;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.tab-content.active {
    display: block;
}

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 1000;
    overflow-y: auto;
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 1.5rem;
    border-radius: 4px;
    max-width: 800px;
    position: relative;
    z-index: 1001;
}

.points-detail-modal {
    min-height: 500px;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.points-table-container {
    flex: 1;
    overflow-y: auto;
    max-height: 500px;
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border: 1px solid var(--border-color);
}

.pagination-btn.active {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.close {
    position: absolute;
    right: 1rem;
    top: 0.5rem;
    font-size: 1.5rem;
    cursor: pointer;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #666;
    font-size: 0.875rem;
}

.image-upload-area {
    border: 2px dashed var(--border-color);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    margin-bottom: 1rem;
    border-radius: 4px;
    background-color: var(--background-color);
    transition: all 0.3s ease;
}

.image-upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(76, 175, 80, 0.1);
}

.image-preview {
    max-width: 100%;
    margin-top: 1rem;
}

.image-preview img {
    max-width: 100%;
    border-radius: 4px;
}

.wish-image {
    border-radius: 4px;
    object-fit: cover;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.table th,
.table td {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    text-align: left;
}

.table th {
    background-color: var(--background-color);
    position: sticky;
    top: 0;
    z-index: 1;
}

/* 错误消息样式 */
.error-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #ff4444;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease-out;
}

/* 成功消息样式 */
.success-message {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border-radius: 4px;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    animation: slideDown 0.3s ease-out;
}

/* 持久性错误消息的特殊样式 */
.error-message.persistent {
    background-color: #ff6b6b;
    border: 2px solid #ff4444;
    padding: 15px 40px 15px 20px;
    font-weight: bold;
}

.error-message.persistent .close-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    padding: 0 5px;
}

.error-message.persistent .close-btn:hover {
    color: #ffcccc;
}

@keyframes slideDown {
    from {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

.dashboard-controls {
    margin-bottom: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.member-card {
    background: white;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.filter-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.filter-controls select,
.filter-controls input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.positive {
    color: var(--primary-color);
    font-weight: bold;
}

.negative {
    color: var(--danger-color);
    font-weight: bold;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 任务进度条样式 */
.progress-cell {
    min-width: 200px;
    padding: 10px !important;
}

.progress-container {
    width: 100%;
    height: 20px;
    background-color: #f0f0f0;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A);
    border-radius: 10px;
    transition: width 0.3s ease;
    min-width: 30px;
}

.progress-text {
    position: absolute;
    left: 5px;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    text-align: center;
    color: #000;
    font-size: 12px;
    white-space: nowrap;
    text-shadow: 
        -1px -1px 0 #fff,
        1px -1px 0 #fff,
        -1px 1px 0 #fff,
        1px 1px 0 #fff;
}

.analytics-header {
    margin-bottom: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 1rem;
}

.analytics-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.analytics-filters select {
    padding: 0.35rem 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
}

.filter-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
}

.chart-wrapper {
    background: #fff;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    margin-bottom: 1rem;
}

.flow-chart {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.flow-chart-row {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.flow-chart-label {
    width: 80px;
    font-weight: bold;
}

.flow-chart-bars {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.flow-chart-bar {
    position: relative;
    height: 24px;
    border-radius: 12px;
    min-width: 5%;
    max-width: 100%;
}

.flow-chart-bar.inflow {
    background: linear-gradient(90deg, #4CAF50, #81C784);
}

.flow-chart-bar.outflow {
    background: linear-gradient(90deg, #FF7043, #FF8A65);
}

.flow-chart-value {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: #fff;
    font-size: 12px;
    font-weight: bold;
}

.analytics-summary {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.analytics-summary div {
    flex: 1 1 200px;
    background: #fff;
    padding: 1rem;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.08);
}

.summary-label {
    display: block;
    color: #666;
    margin-bottom: 0.5rem;
}

.summary-value {
    font-size: 1.5rem;
}

.analytics-error {
    padding: 1rem;
    background: #ffe5e5;
    border: 1px solid #ffb3b3;
    color: #cc0000;
    border-radius: 4px;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }
    
    .table {
        display: block;
        overflow-x: auto;
    }
    
    .filter-controls {
        flex-direction: column;
    }

    .modal-content {
        margin: 2% 1rem;
        max-width: calc(100% - 2rem);
    }
}

/* 警告信息和手续费提示样式 */
.warning {
    color: #ff4444;
    font-weight: bold;
    margin: 10px 0;
}

.fee-warning {
    background-color: #fff3cd;
    border: 1px solid #ffeeba;
    color: #856404;
    padding: 10px;
    margin-bottom: 15px;
    border-radius: 4px;
}

.fee-info {
    color: #856404;
    margin-top: 5px;
}

.transfers-info {
    background-color: #f8f9fa;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}