/* 다크 테마 기본 설정 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Malgun Gothic', sans-serif;
    background-color: #0a0e27;
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    max-width: 1800px;
    margin: 0 auto;
    padding: 20px;
}

/* 헤더 */
header {
    margin-bottom: 20px;
    padding: 15px 0;
}

header h1 {
    font-size: 1.8rem;
    color: #ffffff;
    margin-bottom: 8px;
    font-weight: 600;
    letter-spacing: 2px;
}

.subtitle {
    color: #8b92a7;
    font-size: 0.9rem;
}

/* 레이아웃 */
.layout {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 20px;
    align-items: start;
}

/* 사이드바 (왼쪽) */
.sidebar {
    background: #141b2d;
    border-radius: 12px;
    border: 1px solid #1e2a45;
    position: sticky;
    top: 20px;
}

.section {
    background: #141b2d;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #1e2a45;
    margin-bottom: 20px;
}

.section h3 {
    font-size: 1.05rem;
    color: #ffffff;
    margin-bottom: 20px;
    font-weight: 600;
}

/* 폼 스타일 */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: #8b92a7;
    margin-bottom: 6px;
    font-weight: 400;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    background-color: #0a0e27;
    border: 1px solid #2a3548;
    border-radius: 6px;
    color: #e0e0e0;
    font-size: 0.9rem;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #4a90e2;
    background-color: #0f1420;
}

/* Date input 스타일 */
.form-group input[type="date"] {
    color-scheme: dark;
}

.form-group input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.form-group select {
    cursor: pointer;
}

/* 인라인 그룹 (시작가격 + 수수료) */
.inline-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

/* 기간 선택 */
.date-range {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 8px;
    align-items: center;
}

.date-range span {
    color: #8b92a7;
    text-align: center;
    font-size: 0.9rem;
}

.date-range input[type="date"] {
    padding: 8px 10px;
}

/* 버튼 */
.button-group {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.btn-primary {
    flex: 1;
    padding: 12px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
}

/* 실시간 모드 */
.realtime-toggle {
    padding: 12px;
    background-color: #0a0e27;
    border: 1px solid #2a3548;
    border-radius: 6px;
    margin-top: 12px;
}

.realtime-toggle label {
    display: flex;
    align-items: center;
    cursor: pointer;
    color: #8b92a7;
    font-size: 0.9rem;
}

.realtime-toggle input[type="checkbox"] {
    width: auto;
    margin-right: 8px;
    cursor: pointer;
}

/* 전략 성과 요약 (사이드바 하단) */
.strategy-summary {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #2a3548;
}

.strategy-summary h4 {
    font-size: 0.95rem;
    color: #ffffff;
    margin-bottom: 15px;
}

.summary-stats {
    display: grid;
    gap: 12px;
}

.stat-item {
    background-color: #0a0e27;
    padding: 12px;
    border-radius: 6px;
    border: 1px solid #2a3548;
}

.stat-label {
    font-size: 0.8rem;
    color: #8b92a7;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: #ffffff;
}

.stat-value.positive {
    color: #26de81;
}

.stat-value.negative {
    color: #fc5c65;
}

/* 메인 콘텐츠 (오른쪽) */
.main-content {
    min-height: 600px;
}

/* 성과 요약 */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.summary-item {
    background-color: #1a2035;
    padding: 16px;
    border-radius: 8px;
    border: 1px solid #2a3548;
    text-align: center;
}

.summary-item.highlight {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border: none;
}

.summary-label {
    font-size: 0.8rem;
    color: #8b92a7;
    margin-bottom: 8px;
}

.summary-item.highlight .summary-label {
    color: rgba(255, 255, 255, 0.9);
}

.summary-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: #ffffff;
}

.summary-value.positive {
    color: #26de81;
}

.summary-value.negative {
    color: #fc5c65;
}

/* 차트 */
.chart-container {
    margin: 15px 0;
    padding: 20px;
    background-color: #0a0e27;
    border-radius: 8px;
    border: 1px solid #2a3548;
    position: relative;
    height: 500px;  /* 고정 높이 설정 */
}

.chart-container canvas {
    max-height: 500px;
}

/* 테이블 */
.table-wrapper {
    overflow-x: auto;
    margin-top: 10px;
    border: 1px solid #2a3548;
    border-radius: 8px;
    background-color: #0a0e27;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

thead {
    background-color: #1a2035;
    border-bottom: 2px solid #2a3548;
}

th {
    padding: 12px 10px;
    text-align: left;
    font-weight: 600;
    color: #8b92a7;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 12px 10px;
    border-bottom: 1px solid #1e2a45;
    color: #e0e0e0;
}

tbody tr:hover {
    background-color: #141b2d;
}

tbody tr:last-child td {
    border-bottom: none;
}

td.empty {
    text-align: center;
    color: #6b7280;
    padding: 30px;
}

/* 트레이드 로그 헤더 */
.trade-log-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #2a3548;
}

.trade-log-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.trade-log-info span {
    color: #8b92a7;
    font-size: 0.9rem;
}

.trade-log-actions {
    display: flex;
    gap: 10px;
}

.btn-download {
    padding: 10px 20px;
    background-color: #4A90E2;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover:not(:disabled) {
    background-color: #357ABD;
    transform: translateY(-2px);
}

.btn-download:disabled {
    background-color: #2a3548;
    color: #6b7280;
    cursor: not-allowed;
    opacity: 0.6;
}

/* 통계 카드 */
.trade-stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 20px;
}

.stat-card {
    background-color: #141b2d;
    border: 1px solid #2a3548;
    border-radius: 8px;
    padding: 20px;
}

.stat-card-title {
    color: #8b92a7;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-card-value {
    color: #e0e0e0;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-card-detail {
    color: #8b92a7;
    font-size: 0.9rem;
    line-height: 1.5;
}

.trade-buy {
    color: #26de81;
    font-weight: 600;
}

.trade-sell {
    color: #fc5c65;
    font-weight: 600;
}

/* 로딩 */
.loading {
    padding: 40px 20px;
    background: #141b2d;
    border-radius: 12px;
    border: 1px solid #2a3548;
    position: relative;
}

.loading .spinner {
    border: 4px solid #1e2a45;
    border-top: 4px solid #667eea;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
    flex-shrink: 0;
}

.loading .progress-container {
    display: flex;
    gap: 20px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    align-items: flex-start;
}

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

.loading p {
    color: #8b92a7;
    font-size: 1rem;
}

/* 헬프 아이콘 */
.help-icon {
    display: inline-block;
    width: 16px;
    height: 16px;
    background-color: #4a90e2;
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 16px;
    font-size: 11px;
    cursor: help;
    margin-left: 6px;
}

/* 반응형 */
@media (max-width: 1200px) {
    .layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.4rem;
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .inline-group {
        grid-template-columns: 1fr;
    }
}

/* 스크롤바 (다크) */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #0a0e27;
}

::-webkit-scrollbar-thumb {
    background: #2a3548;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #3a4558;
}