* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    min-height: 100vh;
    font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
    color: #1a2e1a;
}

#ambient-canvas {
    position: fixed;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    z-index: 0;
    /* 背景キャンバスがクリックを奪わない（コントロールは .overlay 側） */
    pointer-events: none;
}

.overlay {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    pointer-events: none;
}

.overlay > * {
    pointer-events: auto;
}

/** パネル背面の全画面 — 余白クリックでパネル非表示（.controls / .rationale より下層） */
.ambient-bg-dismiss {
    position: fixed;
    inset: 0;
    z-index: 0;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.ambient-bg-dismiss:focus-visible {
    outline: 2px solid rgba(46, 125, 50, 0.45);
    outline-offset: -3px;
}

.ambient-bg-dismiss[hidden] {
    display: none !important;
}

.controls-top-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(129, 199, 132, 0.28);
}

.btn-hide-panels {
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 0.82rem;
}

.ambient-panel-restore {
    position: fixed;
    inset: 0;
    z-index: 20;
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
    cursor: pointer;
}

.ambient-panel-restore:focus-visible {
    outline: 2px solid rgba(46, 125, 50, 0.55);
    outline-offset: -3px;
}

.link-auth {
    color: #2e7d32;
    text-decoration: none;
    font-size: 0.9rem;
}

.link-auth:hover {
    text-decoration: underline;
}

.controls {
    position: relative;
    z-index: 1;
    max-width: 420px;
    margin: 16px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.38);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.45);
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(27, 94, 32, 0.06);
}

.controls.is-hidden {
    display: none;
}

.label {
    display: block;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: #33691e;
}

textarea {
    width: 100%;
    border: 1px solid rgba(129, 199, 132, 0.55);
    border-radius: 8px;
    padding: 10px;
    margin-bottom: 12px;
    font: inherit;
    resize: vertical;
    background: rgba(255, 255, 255, 0.55);
}

.file-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
}

.file-row input[type='file'] {
    flex: 1 1 180px;
    min-width: 0;
    margin-bottom: 0;
    font-size: 0.85rem;
}

.ambient-remote-image-wrap {
    margin-bottom: 12px;
}

.ambient-remote-image-wrap[hidden] {
    display: none !important;
}

.ambient-remote-image-caption {
    margin: 0 0 6px;
    font-size: 0.78rem;
    color: #33691e;
}

.ambient-remote-image-preview {
    display: block;
    max-width: 100%;
    width: auto;
    height: auto;
    max-height: 140px;
    border-radius: 8px;
    border: 1px solid rgba(129, 199, 132, 0.45);
    object-fit: contain;
    background: rgba(255, 255, 255, 0.5);
}

.btn-clear-image {
    flex-shrink: 0;
    padding: 8px 12px;
    font-size: 0.82rem;
}

.btn-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.master-volume-row {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid rgba(129, 199, 132, 0.28);
}

.master-volume-label {
    margin-bottom: 8px;
}

.master-volume-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.master-volume-controls input[type='range'] {
    flex: 1;
    min-width: 0;
    height: 6px;
    accent-color: #43a047;
}

.master-volume-value {
    flex-shrink: 0;
    min-width: 3.2em;
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
    color: #33691e;
}

.master-volume-hint {
    margin: 8px 0 0;
    font-size: 0.72rem;
    color: #666;
    line-height: 1.35;
}

.btn {
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid #a5d6a7;
    background: rgba(255, 255, 255, 0.65);
    backdrop-filter: blur(6px);
    cursor: pointer;
    font: inherit;
}

.btn.primary {
    background: linear-gradient(135deg, #66bb6a, #43a047);
    color: #fff;
    border-color: #2e7d32;
}

.btn:hover {
    filter: brightness(1.03);
}

.status {
    margin: 12px 0 0;
    font-size: 0.85rem;
    color: #555;
    min-height: 1.2em;
}

.rationale-panel {
    position: relative;
    z-index: 1;
    margin: 0 16px 24px;
    max-width: 520px;
    padding: 16px;
    background: rgba(255, 255, 255, 0.38);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 4px 20px rgba(27, 94, 32, 0.05);
}

.client-list-panel {
    position: relative;
    z-index: 1;
    margin: 0 16px 16px;
    max-width: 420px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.36);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 4px 20px rgba(27, 94, 32, 0.05);
}

.client-list-panel.is-hidden {
    display: none;
}

.client-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 8px;
}

.client-list-panel h2 {
    margin: 0;
    font-size: 0.95rem;
    color: #1b5e20;
}

.btn-refresh-client-list {
    flex-shrink: 0;
    padding: 6px 12px;
    font-size: 0.82rem;
}

.client-list-hint {
    margin: 0 0 10px;
    font-size: 0.78rem;
    color: #555;
    line-height: 1.4;
}

.client-list-body {
    font-size: 0.86rem;
}

.client-list-empty {
    margin: 0;
    color: #666;
    font-size: 0.85rem;
}

.client-list-ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

.client-list-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    padding: 8px 10px;
    margin-bottom: 8px;
    background: rgba(241, 248, 233, 0.52);
    border: 1px solid rgba(129, 199, 132, 0.22);
    border-radius: 8px;
}

.client-list-item:last-child {
    margin-bottom: 0;
}

.client-list-main {
    flex: 1;
    min-width: 0;
}

.client-list-line1 {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    margin-bottom: 2px;
}

.client-list-badge {
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 0.68rem;
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 600;
}

.client-list-badge-on {
    background: rgba(46, 125, 50, 0.18);
    color: #1b5e20;
}

.client-list-badge-off {
    background: rgba(120, 120, 120, 0.15);
    color: #555;
}

.client-list-id {
    font-family: ui-monospace, monospace;
    font-size: 0.8rem;
    color: #333;
}

.client-list-self {
    margin-left: 8px;
    font-size: 0.72rem;
    padding: 1px 6px;
    border-radius: 4px;
    background: rgba(102, 187, 106, 0.35);
    color: #1b5e20;
}

.client-list-meta {
    font-size: 0.78rem;
    color: #666;
}

.rationale-panel.is-hidden {
    display: none;
}

.rationale-panel h2 {
    margin: 0 0 12px;
    font-size: 1rem;
    color: #1b5e20;
}

.rationale-block {
    margin-bottom: 12px;
    padding: 10px;
    background: rgba(241, 248, 233, 0.52);
    border: 1px solid rgba(129, 199, 132, 0.22);
    border-radius: 8px;
    font-size: 0.88rem;
    line-height: 1.45;
}

.rationale-block h3 {
    margin: 0 0 6px;
    font-size: 0.8rem;
    color: #558b2f;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.raw-json {
    margin-top: 8px;
    font-size: 0.8rem;
}

.raw-json pre {
    margin: 8px 0 0;
    padding: 10px;
    background: #263238;
    color: #c5e1a5;
    border-radius: 8px;
    overflow: auto;
    max-height: 200px;
    font-size: 0.75rem;
}