/* 김치프리미엄 웹사이트 스타일 - 더따리 스타일 */
:root {
    /* Light Theme */
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --background-color: #ffffff;
    --surface-color: #f8fafc;
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --card-bg: #ffffff;
    --header-bg: #ffffff;
    --footer-bg: #f1f5f9;
    --footer-text: #64748b;
    --positive-color: #10b981;
    --negative-color: #ef4444;
    --neutral-color: #6b7280;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    /* Dark Theme */
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --text-color: #f1f5f9;
    --text-secondary: #94a3b8;
    --border-color: #334155;
    --card-bg: #1e293b;
    --header-bg: #1e293b;
    --footer-bg: #0f172a;
    --footer-text: #94a3b8;
    --positive-color: #10b981;
    --negative-color: #ef4444;
    --neutral-color: #94a3b8;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.3);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.5;
    transition: background-color 0.3s, color 0.3s;
    font-size: 14px;
}

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

/* Header */
.header {
    background-color: var(--header-bg);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    margin-bottom: 1.5rem;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.logo .highlight {
    color: var(--primary-color);
}

/* Header Controls */
.header-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.theme-toggle:hover {
    background: var(--surface-color);
}

.real-time-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.price-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.price-value {
    font-weight: 600;
    color: var(--primary-color);
}

.price-change {
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.price-change.positive {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--positive-color);
}

.price-change.negative {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--negative-color);
}

/* Chart Section */
.chart-section {
    margin-bottom: 1.5rem;
}

.chart-container {
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.tradingview-widget-container {
    border-radius: 8px;
}

/* Controls Section */
.controls-section {
    margin-bottom: 1.5rem;
}

.exchange-controls {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.exchange-selectors {
    display: grid;
    grid-template-columns: 1fr 1fr 2fr;
    gap: 1.5rem;
    align-items: end;
}

.selector-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.selector-group label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.exchange-select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 0.95rem;
    cursor: pointer;
    transition: border-color 0.2s;
}

.exchange-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.update-controls {
    display: flex;
    gap: 1rem;
    align-items: end;
}

.update-option {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    min-width: 150px;
}

.update-option label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

.interval-select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 0.95rem;
    cursor: pointer;
}

.interval-select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-box {
    flex: 1;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 0.75rem 0.75rem 2rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--surface-color);
    color: var(--text-color);
    font-size: 0.95rem;
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Data Section */
.data-section {
    margin-bottom: 2rem;
}

.data-table-container {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    background: var(--card-bg);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.data-table th {
    background: var(--surface-color);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

.data-table th:hover {
    background: var(--border-color);
}

.data-table th.sortable {
    position: relative;
}

.data-table th i {
    margin-left: 0.5rem;
    font-size: 0.8rem;
    opacity: 0.5;
}

.data-table th.sort-asc i.fa-sort {
    display: none;
}

.data-table th.sort-asc::after {
    content: "↑";
    margin-left: 0.5rem;
    color: var(--primary-color);
}

.data-table th.sort-desc i.fa-sort {
    display: none;
}

.data-table th.sort-desc::after {
    content: "↓";
    margin-left: 0.5rem;
    color: var(--primary-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-color);
}

.data-table tbody tr:hover {
    background: var(--surface-color);
}

.data-table .positive {
    color: var(--positive-color);
    font-weight: 600;
}

.data-table .negative {
    color: var(--negative-color);
    font-weight: 600;
}

.data-table .coin-name {
    font-weight: 600;
}

.data-table .coin-symbol {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.loading-row td {
    text-align: center;
    padding: 3rem !important;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.loading-spinner i {
    font-size: 1.5rem;
}

.table-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding: 0.75rem;
    background: var(--surface-color);
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.table-info p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

#lastUpdate {
    font-weight: 500;
    color: var(--primary-color);
}

/* Footer */
.footer {
    background-color: var(--footer-bg);
    color: var(--footer-text);
    padding: 1.5rem 0;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
}

.footer .container {
    text-align: center;
}

.footer p {
    margin-bottom: 0.5rem;
}

.footer-note {
    font-size: 0.8rem;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .header-controls {
        flex-direction: column;
        width: 100%;
    }
    
    .real-time-info {
        width: 100%;
        justify-content: center;
    }
    
    .exchange-selectors {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .update-controls {
        flex-direction: column;
    }
    
    .update-option {
        width: 100%;
    }
    
    .data-table {
        font-size: 0.8rem;
    }
    
    .data-table th,
    .data-table td {
        padding: 0.75rem 0.5rem;
    }
    
    .table-info {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .data-table {
        display: block;
        overflow-x: auto;
    }
}

/* 모달 스타일 */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto;
}

.modal-content {
    background: var(--card-bg);
    margin: 2rem auto;
    max-width: 900px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--text-secondary);
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-color);
}

.modal-body {
    padding: 1.5rem;
}

.deposit-section {
    margin-bottom: 2rem;
}

.deposit-section h3,
.modal-charts h3,
.additional-info h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.deposit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.deposit-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.deposit-item:last-child {
    border-bottom: none;
}

.deposit-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.deposit-value {
    color: var(--text-color);
    font-weight: 600;
}

.status-active {
    color: var(--positive-color);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.status-inactive {
    color: var(--negative-color);
    background: rgba(239, 68, 68, 0.1);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    font-size: 0.9rem;
}

.modal-charts {
    margin-bottom: 2rem;
}

.charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.chart-box {
    background: var(--surface-color);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.chart-box h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.chart-placeholder {
    height: 250px;
    background: var(--card-bg);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
}

.chart-loading {
    text-align: center;
    color: var(--text-secondary);
}

.chart-loading i {
    font-size: 2rem;
    margin-bottom: 1rem;
    display: block;
}

.chart-simulated {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--surface-color) 0%, var(--card-bg) 100%);
    border-radius: 6px;
}

.additional-info {
    margin-bottom: 2rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    background: var(--surface-color);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.info-value {
    color: var(--text-color);
    font-weight: 600;
    font-size: 1.1rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.btn-primary,
.btn-secondary {
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--secondary-color);
}

.btn-secondary {
    background: var(--surface-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
}

/* 반응형 모달 */
@media (max-width: 768px) {
    .modal-content {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .deposit-grid,
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
        justify-content: center;
    }
}

/* 테이블 행 클릭 효과 */
.data-table tbody tr {
    cursor: pointer;
    transition: background-color 0.2s;
}

.data-table tbody tr:hover {
    background: var(--surface-color);
}

.data-table tbody tr:active {
    background: var(--border-color);
}