:root {
    --base-color: #ffffff;
    --accent-color: #3da1ce;
    --text-color: #333333;
    --gray-light: #f4f7f9;
    --gray-dark: #cbd5e0;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05), 0 1px 3px rgba(0, 0, 0, 0.1);
    --normal-color: #48bb78;
    --caution-color: #ecc94b;
    --critical-color: #f56565;
    --abnormal-color: #9f7aea;
}

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

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

header {
    background-color: var(--base-color);
    padding: 1.5rem 2rem;
    box-shadow: var(--shadow);
    color: var(--accent-color);
    margin-bottom: 2rem;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.badge {
    background-color: var(--accent-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
}

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem 3rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.card {
    background-color: var(--base-color);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

.controls-card {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: flex-start;
}

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

label {
    font-weight: 700;
    font-size: 0.875rem;
    color: #4a5568;
}

select {
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--gray-dark);
    font-size: 1rem;
    width: 200px;
}

.toggle-container {
    display: flex;
    background-color: var(--gray-light);
    padding: 0.25rem;
    border-radius: 8px;
    width: fit-content;
}

.input-date {
    background-color: var(--gray-light);
    border: 1px solid var(--gray-dark);
    padding: 0.5rem;
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-color);
    transition: all 0.2s;
}

.input-date:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: white;
    box-shadow: 0 0 0 3px rgba(61, 161, 206, 0.1);
}

.filter-container {
    background-color: #fafbfc;
    padding: 1.25rem;
    border-radius: 10px;
    border: 1px solid #edf2f7;
}

.filter-group label {
    display: inline-block;
    margin-bottom: 0.25rem;
    color: #2d3748;
}

.toggle-container input {
    display: none;
}

.toggle-container label {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s;
    font-weight: 600;
    margin: 0;
}

.toggle-container input:checked + label {
    background-color: var(--accent-color);
    color: white;
}

.datetime-range {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.filter-container {
    display: flex;
    gap: 2.5rem;
    flex-wrap: wrap;
    width: 100%;
    margin-top: 0.5rem;
    padding: 1.5rem;
    background-color: #fafbfc;
    border: 1px solid #edf2f7;
    border-radius: 12px;
}

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

.filter-group label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #718096;
    font-weight: 800;
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a5568;
    cursor: pointer;
}

.checkbox-item input[type="checkbox"] {
    width: 1.1rem;
    height: 1.1rem;
    cursor: pointer;
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.pagination-btn {
    background-color: white;
    border: 1px solid var(--gray-dark);
    color: var(--text-color);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    min-width: 2.5rem;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--accent-color);
    color: var(--accent-color);
    background-color: #f0f9ff;
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background-color: var(--gray-light);
}

.visual-card {
    height: 480px;
}

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

.table-card {
    overflow: hidden;
}

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

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    background-color: var(--gray-light);
    text-align: left;
    padding: 1rem;
    font-size: 0.875rem;
    font-weight: 700;
    position: sticky;
    top: 0;
    z-index: 10;
}

td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-light);
    font-size: 0.875rem;
}

.status-normal { border-left: 4px solid var(--normal-color); }
.status-caution { border-left: 4px solid var(--caution-color); }
.status-critical { border-left: 4px solid var(--critical-color); }
.status-abnormal { border-left: 4px solid var(--abnormal-color); }

.cell-normal { color: var(--normal-color); font-weight: 600; }
.cell-caution { color: var(--caution-color); font-weight: 600; }
.cell-critical { color: var(--critical-color); font-weight: 600; }
.cell-abnormal { color: var(--abnormal-color); font-weight: 600; }

/* AI evaluation */
.ai-group {
    width: 100%;
    border-top: 1px solid var(--gray-dark);
    padding-top: 1.5rem;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-ai {
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.2rem;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    width: fit-content;
}

.btn-ai:hover {
    background-color: #2e8cb5;
    transform: translateY(-1px);
}

.ai-panel {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    animation: fadeIn 0.25s ease;
}

.ai-panel.hidden {
    display: none;
}

.ai-panel textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--gray-dark);
    font-size: 0.875rem;
    font-family: inherit;
    resize: vertical;
    line-height: 1.6;
    min-height: 200px;
    background-color: var(--gray-light);
    transition: border-color 0.2s;
}

.ai-panel textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: white;
}

.btn-ai-run {
    background-color: #1a6e9a;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.4rem;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    width: fit-content;
}

.btn-ai-run:hover {
    background-color: #145578;
    transform: translateY(-1px);
}

.btn-ai-run:disabled {
    background-color: var(--gray-dark);
    cursor: not-allowed;
    transform: none;
}

.ai-result-card {
    border-left: 4px solid var(--accent-color);
}

.ai-result-card h2 {
    margin-bottom: 1rem;
    color: var(--accent-color);
    font-size: 1.1rem;
}

.ai-result-card.hidden {
    display: none;
}

.ai-result-text {
    font-size: 0.9rem;
    line-height: 1.8;
    color: #2d3748;
    min-height: 50px;
}

/* Markdown内の各要素スタイル */
.ai-result-text h1,
.ai-result-text h2,
.ai-result-text h3,
.ai-result-text h4 {
    margin: 1.2em 0 0.4em;
    color: #1a3a4a;
    font-weight: 700;
    line-height: 1.3;
}

.ai-result-text h1 { font-size: 1.4rem; border-bottom: 2px solid var(--accent-color); padding-bottom: 0.3em; }
.ai-result-text h2 { font-size: 1.2rem; border-bottom: 1px solid var(--gray-dark); padding-bottom: 0.2em; }
.ai-result-text h3 { font-size: 1.05rem; }

.ai-result-text p {
    margin: 0.6em 0;
}

.ai-result-text ul,
.ai-result-text ol {
    padding-left: 1.5em;
    margin: 0.5em 0;
}

.ai-result-text li {
    margin: 0.25em 0;
}

.ai-result-text strong {
    font-weight: 700;
    color: #1a3a4a;
}

.ai-result-text em {
    font-style: italic;
    color: #4a5568;
}

.ai-result-text code {
    background-color: #edf2f7;
    padding: 0.15em 0.4em;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.85em;
    color: #c7254e;
}

.ai-result-text pre {
    background-color: #2d3748;
    color: #e2e8f0;
    padding: 1em;
    border-radius: 8px;
    overflow-x: auto;
    margin: 0.8em 0;
    font-size: 0.85em;
    font-family: 'SFMono-Regular', Consolas, monospace;
    line-height: 1.6;
}

.ai-result-text pre code {
    background: none;
    color: inherit;
    padding: 0;
    font-size: inherit;
}

.ai-result-text blockquote {
    border-left: 4px solid var(--accent-color);
    padding: 0.5em 1em;
    margin: 0.8em 0;
    color: #4a5568;
    background-color: var(--gray-light);
    border-radius: 0 6px 6px 0;
}

.ai-result-text table {
    border-collapse: collapse;
    width: 100%;
    margin: 0.8em 0;
    font-size: 0.875rem;
}

.ai-result-text th,
.ai-result-text td {
    border: 1px solid var(--gray-dark);
    padding: 0.5em 0.75em;
    text-align: left;
}

.ai-result-text th {
    background-color: var(--gray-light);
    font-weight: 700;
    position: static;
}

.ai-result-text hr {
    border: none;
    border-top: 1px solid var(--gray-dark);
    margin: 1em 0;
}

.ai-result-text .cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background-color: var(--accent-color);
    animation: blink 0.7s step-end infinite;
    vertical-align: text-bottom;
    margin-left: 2px;
}

@keyframes blink {
    50% { opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .controls-card {
        flex-direction: column;
    }
}