/* ========================================
   循環シミュレーター - シンプル＆ダークモード
   ======================================== */

:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-tertiary: #0f3460;
    --text-primary: #eaeaea;
    --text-secondary: #a0a0a0;
    --accent: #e94560;
    --accent-secondary: #0f9b8e;
    --border: #2a2a4a;
    --chart-bg: #000000;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
}

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

/* Header */
.header {
    background: var(--bg-secondary);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}

.header h1 {
    font-size: 1.4rem;
    font-weight: 600;
}

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

.btn {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: #d63b52;
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-secondary:hover:not(:disabled) {
    background: #1a4a7a;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.speed-control {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
    color: var(--text-secondary);
    font-size: 0.9rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 0.35rem 0.5rem;
}

.speed-control label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.speed-value {
    display: inline-block;
    min-width: 2.6rem;
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
    background: #000;
    color: var(--text-primary);
    font-weight: 600;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.speed-control input[type="range"] {
    width: 160px;
    accent-color: var(--accent);
}

/* Main content */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Parameters panel */
.params-panel {
    width: 260px;
    background: var(--bg-secondary);
    padding: 1rem;
    overflow-y: auto;
    border-right: 1px solid var(--border);
}

.params-panel h2 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.param-section {
    margin-bottom: 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: rgba(15, 52, 96, 0.25);
    overflow: hidden;
}

.param-section summary {
    list-style: none;
    cursor: pointer;
    padding: 0.5rem 0.6rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: space-between;
    letter-spacing: 0.02em;
}

.param-section summary:hover {
    background: #1a4a7a;
    color: var(--text-primary);
}

.param-section[open] summary {
    color: var(--text-primary);
}

.param-section summary::-webkit-details-marker {
    display: none;
}

.param-section summary::marker {
    content: '';
}

.param-section summary::after {
    content: '+';
    color: var(--accent);
    font-weight: 600;
    transition: transform 0.2s ease;
}

.param-section[open] summary::after {
    content: '–';
}

.param-content {
    padding: 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.param-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.6rem;
    align-items: center;
}

.param-row label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    white-space: nowrap;
}

.param-row input {
    width: 82px;
    padding: 0.25rem 0.4rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 0.8rem;
    text-align: right;
}

.param-row select {
    width: 82px;
    padding: 0.25rem 0.4rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 3px;
    color: var(--text-primary);
    font-size: 0.8rem;
    text-align: right;
}

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

.param-row select:focus {
    outline: none;
    border-color: var(--accent);
}

/* Charts area */
.charts-area {
    flex: 1;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

/* Vital Monitor Section */
.vital-monitor {
    display: flex;
    background: #000;
    border-radius: 8px;
    border: 2px solid #333;
    margin-bottom: 1rem;
    overflow: hidden;
    max-height: 400px;
}

.monitor-waveforms {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.monitor-row {
    flex: 1;
    min-height: 40px;
    border-bottom: 1px solid #222;
}

.monitor-row-large {
    flex: 1.5;
}

.monitor-row-small {
    flex: 0.6;
}

.monitor-row:last-child {
    border-bottom: none;
}

.monitor-row canvas {
    width: 100%;
    height: 100%;
}

.monitor-vitals {
    width: 140px;
    background: #0a0a0a;
    padding: 0.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    border-right: 1px solid #333;
    overflow: hidden;
}

.vital-item {
    padding: 0.15rem 0.3rem;
    border-radius: 3px;
}

.vital-hr {
    background: rgba(0, 255, 0, 0.1);
}

.vital-bp,
.vital-map {
    background: rgba(255, 0, 0, 0.1);
}

.vital-lap {
    background: rgba(255, 255, 0, 0.1);
}

.vital-lvp {
    background: rgba(0, 255, 255, 0.1);
}

.vital-label {
    font-size: 0.55rem;
    color: #888;
    display: block;
}

.vital-value {
    font-size: 1.2rem;
    font-weight: bold;
    font-family: 'Courier New', monospace;
}

.vital-hr .vital-value {
    color: #00ff00;
}

.vital-bp .vital-value,
.vital-map .vital-value {
    color: #ff4444;
}

.vital-dia {
    font-size: 1.2rem !important;
}

.vital-separator {
    font-size: 1.4rem;
    color: #ff4444;
}

.vital-lap .vital-value {
    color: #ffff00;
}

.vital-lvp .vital-value {
    color: #00ffff;
}

.vital-other .vital-value {
    color: #ffffff;
}

.vital-unit {
    font-size: 0.6rem;
    color: #666;
    margin-left: 0.25rem;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.chart-container {
    background: var(--chart-bg);
    border-radius: 6px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    max-height: 450px;
    overflow: hidden;
}

.chart-container.chart-wide {
    grid-column: span 2;
}

.chart-container h3 {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.chart-container canvas {
    flex: 1;
    width: 100%;
    background: var(--chart-bg);
}

.scale-controls {
    display: flex;
    gap: 1rem;
    margin-top: 0.5rem;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.scale-controls input {
    width: 50px;
    padding: 0.15rem 0.3rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 2px;
    color: var(--text-primary);
    font-size: 0.7rem;
}

/* Status bar */
.status-bar {
    background: var(--bg-secondary);
    padding: 0.5rem 1rem;
    display: flex;
    gap: 2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border-top: 1px solid var(--border);
    border-radius: 4px;
    margin-top: 1rem;
}

.status-bar span span {
    color: var(--accent-secondary);
    font-weight: 500;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-tertiary);
}