/* Sleep Chart — ローカルスタイル
   ベースカラーは ../common/css/theme.css から継承 */

/* チャート固有の色（データ可視化用） */
:root, [data-theme="light"] {
    --color-sleep: #2d2b6e;
    --color-drowsy: #e8830c;
    --color-nap: #5bb8f5;
    --color-awake: var(--pg-bg-secondary);
    --color-overlap: #b07cc6;
    --color-line: var(--pg-panel);
}

[data-theme="dark"] {
    --color-sleep: #4338ca;
    --color-drowsy: #f59e0b;
    --color-nap: #38bdf8;
    --color-awake: var(--pg-border);
    --color-overlap: #c084fc;
    --color-line: var(--pg-bg);
}

/* Layout */
.app {
    display: flex;
    gap: 24px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 24px;
}

/* Left Panel */
.panel-left {
    width: 320px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.app-title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.control-section {
    background: var(--pg-panel);
    border-radius: 12px;
    padding: 16px;
    border: 1px solid var(--pg-border);
}

.section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--pg-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Sleep Range */
.sleep-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.select-group {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.select-group label {
    font-size: 11px;
    color: var(--pg-text-secondary);
    font-weight: 500;
}

.select-group select {
    padding: 8px 10px;
    border: 1px solid var(--pg-border);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    background: var(--pg-bg);
    color: var(--pg-text);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' fill='none' stroke='%236e6e73' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.range-separator {
    font-size: 16px;
    color: var(--pg-text-secondary);
    padding-top: 18px;
}

/* Hour Grid */
.hour-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 4px;
}

.hour-btn {
    padding: 6px 0;
    border: 1px solid var(--pg-border);
    border-radius: 6px;
    background: var(--pg-panel);
    font-size: 12px;
    font-weight: 500;
    color: var(--pg-text);
    cursor: pointer;
    transition: all var(--pg-dur-fast) var(--pg-ease);
    text-align: center;
    line-height: 1.2;
    user-select: none;
}

.hour-btn:hover:not(:disabled) {
    border-color: var(--pg-text-secondary);
}

.hour-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    background: var(--pg-bg);
}

.hour-btn.selected-drowsy {
    background: var(--color-drowsy);
    color: #fff;
    border-color: var(--color-drowsy);
}

.hour-btn.selected-nap {
    background: var(--color-nap);
    color: #fff;
    border-color: var(--color-nap);
}

/* Legend Dots in headings */
.legend-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.legend-drowsy {
    background: var(--color-drowsy);
}

.legend-nap {
    background: var(--color-nap);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
}

.btn {
    flex: 1;
    padding: 10px 16px;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity var(--pg-dur-fast) var(--pg-ease);
}

.btn:hover {
    opacity: 0.85;
}

.btn-reset {
    background: var(--pg-bg);
    color: var(--pg-text);
    border: 1px solid var(--pg-border);
}

.btn-download {
    background: var(--color-sleep);
    color: #fff;
}

/* Right Panel */
.panel-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.canvas-wrapper {
    width: 100%;
    max-width: 560px;
    aspect-ratio: 1;
}

.canvas-wrapper canvas {
    width: 100%;
    height: 100%;
    display: block;
}

/* Legend */
.legend {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--pg-text-secondary);
}

.legend-swatch {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 0, 0.1);
}

/* Responsive */
@media (max-width: 900px) {
    .app {
        flex-direction: column;
        padding: 16px;
    }

    .panel-left {
        width: 100%;
    }

    .canvas-wrapper {
        max-width: 400px;
    }
}

@media (max-width: 480px) {
    .canvas-wrapper {
        max-width: 320px;
    }

    .hour-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 3px;
    }

    .hour-btn {
        font-size: 11px;
        padding: 5px 0;
    }
}