:root {
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #38bdf8;
    --border-color: #334155;
    --header-gradient: linear-gradient(135deg, #0ea5e9 0%, #2563eb 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: var(--card-bg);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all 0.3s ease;
}

@media (max-width: 768px) {
    header {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}

h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

h1 span {
    color: var(--accent-color);
}

.filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 768px) {
    .filters {
        width: 100%;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .filter-group:last-child {
        grid-column: span 2;
    }
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

select {
    background-color: var(--bg-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
    cursor: pointer;
}

select:focus {
    border-color: var(--accent-color);
}

/* Tom Select Dark Theme Customization */
.ts-control {
    background-color: var(--bg-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.5rem !important;
    padding: 0.4rem 0.8rem !important;
    min-height: 42px;
}
.ts-wrapper.multi {
    min-width: 320px; /* ボックス自体の幅をさらに確保 */
}
.ts-control input {
    color: var(--text-primary) !important;
}
.ts-dropdown {
    background-color: var(--card-bg) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.5rem !important;
    width: auto !important; /* 内容に合わせて広がるように */
    min-width: 100% !important;
    white-space: nowrap !important; /* 改行を防止 */
}
.ts-dropdown .option {
    padding: 0.6rem 1rem !important;
}
.ts-dropdown .active {
    background-color: var(--accent-color) !important;
    color: white !important;
}
.ts-dropdown .option:hover {
    background-color: #334155 !important;
}
.ts-control .item {
    background-color: var(--accent-color) !important;
    color: white !important;
    border-radius: 4px !important;
    border: none !important;
    display: none !important; /* 選択項目をボックス内に表示しない */
}
.ts-summary-text {
    display: none;
    font-size: 0.9rem;
    color: var(--accent-color);
    padding: 2px 0;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}
.has-summary .ts-summary-text {
    display: block;
}
.has-summary input::placeholder {
    color: transparent !important;
}
.ts-wrapper.multi .ts-control > input {
    /* 選択項目がある場合、検索入力は最小限にするか隠す */
    width: 8px !important; /* 文字に合わせてボックスが広がるのを邪魔しない程度に最小化 */
    opacity: 0;
}
.ts-wrapper.multi.has-items.focus .ts-control > input {
    width: auto !important;
    opacity: 1;
    position: relative !important;
}
.ts-wrapper.multi.has-items.focus .ts-summary-text {
    display: none; /* 入力中はサマリーを隠して入力を優先 */
}
.ts-wrapper.multi .ts-control > div {
    margin: 2px 4px 2px 0 !important;
}
.filter-group .ts-wrapper {
    min-width: 180px;
}
.ts-checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.2rem 0;
}
.custom-checkbox {
    width: 1.1rem;
    height: 1.1rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    display: inline-block;
    position: relative;
    background-color: var(--bg-color);
    flex-shrink: 0;
    transition: all 0.2s;
}
.ts-dropdown .option.selected .custom-checkbox {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}
.ts-dropdown .option.selected .custom-checkbox::after {
    content: '✓';
    color: white;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 0.8rem;
    font-weight: bold;
}
@media (max-width: 768px) {
    .filter-group .ts-wrapper {
        min-width: 100%;
    }
}

main {
    flex: 1;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 1600px;
    margin: 0 auto;
    width: 100%;
}

@media (max-width: 768px) {
    main {
        padding: 1rem;
        gap: 1rem;
    }
}

.card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
}

.card-header {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

@media (max-width: 768px) {
    .card-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

.card-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.card-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .card-actions {
        width: 100%;
        justify-content: space-between;
        gap: 0.5rem;
    }
}

.action-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.action-item.checkbox-item label {
    cursor: pointer;
    text-transform: none;
    letter-spacing: normal;
}
.action-item.checkbox-item input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
}

.card-actions select {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.chart-container {
    width: 100%;
    min-height: 400px;
}

@media (max-width: 768px) {
    .chart-container {
        min-height: 300px;
    }
}

.grid-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

#data-table {
    font-size: 0.9rem;
}

/* Grid.js Custom Styling */
.gridjs-container {
    color: var(--text-primary);
}
.gridjs-wrapper {
    background-color: var(--bg-color) !important;
    border-radius: 0.5rem;
    overflow-x: auto !important;
}
.gridjs-table {
    background-color: var(--bg-color) !important;
}
.gridjs-th {
    background-color: #1e293b !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border-color) !important;
    padding: 12px 16px !important;
}
.gridjs-td {
    background-color: var(--bg-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    padding: 12px 16px !important;
}
.gridjs-tr:hover td {
    background-color: #1e293b !important;
}
.gridjs-footer {
    background-color: var(--card-bg) !important;
    border-top: 1px solid var(--border-color) !important;
    color: var(--text-secondary) !important;
}
.gridjs-search-input {
    background-color: var(--bg-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.4rem !important;
}
.gridjs-pagination .gridjs-pages button {
    background-color: var(--bg-color) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
}
.gridjs-pagination .gridjs-pages button:hover {
    background-color: var(--accent-color) !important;
    color: white !important;
}
.gridjs-pagination .gridjs-pages button:disabled {
    color: var(--text-secondary) !important;
}
.gridjs-summary {
    color: var(--text-secondary) !important;
}

/* ソートアイコンの視認性改善 */
.gridjs-sort {
    filter: invert(0.8); /* アイコンを白系に反転 */
    opacity: 0.6;
    transition: opacity 0.2s;
}

.gridjs-th:hover .gridjs-sort {
    opacity: 1;
}

button.gridjs-sort:focus {
    outline: none;
    background-color: transparent;
}


@media (max-width: 1024px) {
    .grid-layout {
        grid-template-columns: 1fr;
    }
}

footer {
    padding: 2rem;
    text-align: center;
    color: var(--text-secondary);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer-main {
    max-width: 800px;
}

.disclaimer {
    font-size: 0.75rem;
    margin-top: 0.5rem;
    opacity: 0.7;
    line-height: 1.6;
}

#btn-hard-reload {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.6rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-radius: 2rem; /* 丸みのあるデザイン */
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.85rem;
    font-weight: 500;
}

#btn-hard-reload:hover {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    border-color: var(--accent-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#btn-hard-reload svg {
    transition: transform 0.3s;
}

#btn-hard-reload:hover svg {
    transform: rotate(30deg);
}

#btn-hard-reload:active svg {
    transform: rotate(180deg);
}

@media (max-width: 768px) {
    #btn-hard-reload {
        width: 100%;
        justify-content: center;
    }
}