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

:root {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f28;
    --bg-tertiary: #232a38;
    --border-color: #2d3748;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --accent-primary: #00d9ff;
    --accent-secondary: #7c3aed;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px 12px;
    font-size: 13px;
}

header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    border-radius: 12px;
}

header button:hover {
    background: rgba(0, 217, 255, 0.1);
    transform: scale(1.1);
}

header h1 {
    font-size: 16px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.dashboard {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.card {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 12px;
    transition: all 0.2s ease;
}

.card:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 20px 40px rgba(0, 217, 255, 0.1);
}

.card h2 {
    font-size: 14px;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-weight: 700;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

.input-group {
    margin-bottom: 10px;
}

.input-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 600;
}

.input-wrapper {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}

.input-wrapper input {
    flex: 1 1 auto;
    min-width: 0;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 12px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.input-wrapper .unit {
    flex: 0 0 auto;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--accent-primary);
    background: rgba(0, 217, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.unit {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 600;
    min-width: 40px;
    flex: 0 0 auto;
}

.stats-box {
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--accent-primary);
    padding: 10px;
    border-radius: 10px;
    margin-bottom: 10px;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 600;
}

.stat-value {
    font-size: 16px;
    color: var(--accent-primary);
    font-weight: 700;
    font-family: 'Monaco', 'Courier New', monospace;
}

.stats-box.long-term {
    border-left-color: var(--accent-success);
}

.stats-box.long-term .stat-value {
    color: var(--accent-success);
}

.stats-box.short-term {
    border-left-color: var(--accent-warning);
}

.stats-box.short-term .stat-value {
    color: var(--accent-warning);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-top: 12px;
}

.allocation-display {
    background: rgba(0, 217, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: 8px;
    margin-top: 8px;
    font-size: 11px;
}

.allocation-bar {
    display: flex;
    height: 18px;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 6px;
    gap: 2px;
    background: var(--border-color);
}

.allocation-segment {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: white;
}

.long-term-segment {
    background: linear-gradient(90deg, var(--accent-success), #0d9488);
}

.short-term-segment {
    background: linear-gradient(90deg, var(--accent-warning), #dc2626);
}

.table-card {
    grid-column: 1 / -1;
}

.tab-container {
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tabs {
    display: flex;
    gap: 0;
    overflow-x: auto;
}

.header-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 10px;
    border-radius: 10px;
    transition: all 0.18s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
}

#saveConfigBtn {
    color: var(--accent-success);
}

#loadConfigBtn {
    color: var(--accent-primary);
}

.tab {
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.tab:hover {
    color: var(--accent-primary);
}

.tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.table-wrapper {
    overflow-x: auto;
    margin-top: 12px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 11px;
}

table thead {
    background: rgba(0, 217, 255, 0.05);
    border-bottom: 1px solid var(--border-color);
}

table th {
    padding: 6px;
    text-align: right;
    font-weight: 700;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
}

table th:first-child {
    text-align: left;
}

table th:last-child {
    border-right: none;
}

table td {
    padding: 6px;
    text-align: right;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    border-right: 1px solid var(--border-color);
}

table td:first-child {
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
}

table td:last-child {
    border-right: none;
}

table tbody tr:hover {
    background: rgba(0, 217, 255, 0.05);
}

.number {
    font-family: 'Monaco', 'Courier New', monospace;
    font-weight: 600;
}

.highlight-row {
    background: rgba(16, 185, 129, 0.08);
    font-weight: 600;
}

.current-month-row {
    background: rgba(0, 217, 255, 0.07);
    outline: 1px solid rgba(0, 217, 255, 0.25);
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    header {
        padding: 12px 20px;
    }

    header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .header-actions {
        width: 100%;
        display: flex;
        justify-content: flex-end;
    }

    table {
        font-size: 11px;
    }

    table th,
    table td {
        padding: 8px;
    }
}

.toggle-short-cumul-btn {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    color: var(--accent-warning);
    border-radius: 6px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.toggle-short-cumul-btn:hover {
    background: rgba(245, 158, 11, 0.2);
}

.actual-input {
    width: 100%;
    padding: 4px 0px 4px 0;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-primary);
    font-size: 11px;
    text-align: right;
    transition: border-color 0.2s;
}

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

.actual-input::placeholder {
    color: var(--text-secondary);
    font-size: 10px;
}

.actual-cell {
    min-width: 100px;
}

/* 추가 모바일 최적화 (좁은 화면에서 컬럼 숨김, 터치영역 확장 등) */
@media (max-width: 480px) {
    body {
        padding: 16px 12px;
    }

    .container {
        padding: 0 12px;
    }

    .card {
        padding: 16px;
        border-radius: 12px;
    }

    .input-wrapper input {
        padding: 12px;
        font-size: 14px;
    }

    .unit {
        min-width: 36px;
        font-size: 12px;
    }

    .tab {
        padding: 10px 12px;
        font-size: 13px;
    }

    .tabs {
        -webkit-overflow-scrolling: touch;
    }

    .allocation-bar {
        height: 18px;
    }

    .allocation-segment {
        font-size: 10px;
    }

    /* 좁은 화면에서 덜 중요한 컬럼 숨기기 */
    table th:nth-child(4),
    table td:nth-child(4),
    table th:nth-child(5),
    table td:nth-child(5),
    table th:nth-child(6),
    table td:nth-child(6),
    table th:nth-child(7),
    table td:nth-child(7) {
        display: none;
    }

    /* 버튼 터치타깃 확장 */
    .icon-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
        padding: 8px;
    }
}

/* 중간 크기 대응 (481px ~ 675px) */
@media (min-width: 481px) and (max-width: 675px) {
    body {
        padding: 28px 12px;
    }

    .container {
        padding: 0 12px;
    }

    header {
        padding: 12px 16px;
        border-radius: 12px;
    }

    .card {
        padding: 18px;
    }

    .input-wrapper {
        gap: 6px;
    }

    .input-wrapper input {
        padding: 11px 10px;
        font-size: 14px;
    }

    .unit {
        min-width: 40px;
    }

    .allocation-bar {
        height: 20px;
    }

    .tab {
        padding: 10px 12px;
    }

    /* 테이블 가로 스크롤을 항상 가능하게 하여 화면에서 바로 스크롤하여 볼 수 있게 함 */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scroll-behavior: smooth;
        scroll-snap-type: x proximity;
    }

    table {
        min-width: 760px;
    }

    /* 가로 스크롤바 스타일(선택적) */
    .table-wrapper::-webkit-scrollbar {
        height: 8px;
    }

    .table-wrapper::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.08);
        border-radius: 4px;
    }
}

/* 600px 이하에서는 전체 레이아웃을 화면 너비에 맞춰 축소 */
@media (max-width: 600px) {
    body {
        padding: 16px 10px;
    }

    .container {
        padding: 0 10px;
    }

    .dashboard {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    header {
        padding: 10px 12px;
        border-radius: 12px;
    }

    header h1 {
        font-size: 16px;
    }

    .card {
        padding: 12px;
        border-radius: 12px;
    }

    .input-wrapper {
        gap: 6px;
        flex-wrap: wrap;
    }

    .input-wrapper input {
        flex: 1 1 100%;
        min-width: 0;
        width: 100%;
        padding: 10px 10px;
        font-size: 14px;
    }

    .unit {
        min-width: 36px;
        flex: 0 0 auto;
    }

    .allocation-bar {
        height: 18px;
    }

    .tab {
        padding: 8px 10px;
        font-size: 13px;
    }

    /* 표는 화면에 맞춰 축소되도록 설정 (필요 시 가로 스크롤 허용) */
    .table-wrapper {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    table {
        width: 100%;
        min-width: 0;
        table-layout: fixed;
        font-size: 12px;
    }

    table th,
    table td {
        white-space: normal;
        word-break: break-word;
        overflow-wrap: break-word;
        text-align: left;
        padding: 8px;
    }
}

/* Modal Styles */
.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: var(--bg-secondary);
    width: 90%;
    max-width: 900px;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.setting-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 14px;
    margin-right: 4px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.setting-btn:hover {
    opacity: 1;
}

/* Table Tooltip Styles */
.table-tooltip-container {
    position: relative;
    display: inline-block;
}

.table-tooltip-content {
    visibility: hidden;
    position: absolute;
    z-index: 100;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 10px;
    background-color: rgba(26, 31, 40, 0.98);
    color: var(--text-primary);
    text-align: left;
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 25px rgba(0,0,0,0.5);
    white-space: nowrap;
    font-size: 11px;
    line-height: 1.5;
    opacity: 0;
    transition: opacity 0.2s, visibility 0.2s;
}

.table-tooltip-container:hover .table-tooltip-content {
    visibility: visible;
    opacity: 1;
}

.table-tooltip-content::after {
    content: "";
    position: absolute;
    top: 50%;
    right: 100%;
    margin-top: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: transparent var(--border-color) transparent transparent;
}