/**
 * 消息总线查看器样式
 * ==========================================
 * 与黑板查看器保持一致的右侧侧边栏体验
 */

.message-viewer-sidebar {
    position: fixed;
    top: 96px;
    right: var(--view-panel-tab-gutter, 0);
    width: 360px;
    height: var(--view-panel-height, min(72vh, calc(100vh - 120px)));
    overflow: hidden;
    background: var(--view-panel-bg, var(--bg-secondary, #1e1e1e));
    border-left: 1px solid var(--border-color, #333);
    border-radius: 8px 0 0 8px;
    box-shadow: -2px 0 5px rgba(0, 0, 0, 0.1);
    transform: translateX(100%);
    transition: transform 0.3s ease-out;
    z-index: 11990;
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', -apple-system, system-ui, sans-serif;
    visibility: hidden;
    pointer-events: none;
}

.message-viewer-sidebar.visible {
    transform: translateX(0);
    visibility: visible;
    pointer-events: auto;
}

.message-viewer-sidebar:not(.visible) {
    box-shadow: none;
    border-left-color: transparent;
    transform: translateX(110%);
}

.message-resize-handle {
    position: absolute;
    left: 0;
    top: 0;
    width: 6px;
    height: 100%;
    cursor: ew-resize;
    background: transparent;
    transition: background 0.2s;
    z-index: 2;
}

.message-resize-handle:hover {
    background: var(--accent-color, #4ade80);
    opacity: 0.5;
}

.message-header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: var(--view-panel-header-height, 48px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--view-panel-header-pad, 10px 16px);
    border-bottom: 1px solid var(--view-panel-header-border, var(--border-color, #333));
    background: var(--view-panel-header-bg, var(--bg-primary, #252525));
}

.message-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #e0e0e0);
}

.message-title svg {
    color: var(--accent-color, #4ade80);
}

.message-stats-inline {
    display: flex;
    align-items: center;
    gap: 8px;
}

.message-stat-badge {
    display: inline-flex;
    flex-direction: row;
    align-items: baseline;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 6px;
    background: rgba(79, 70, 229, 0.12);
}

.message-stat-label {
    font-size: 11px;
    color: var(--text-secondary, #9ca3af);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.message-stat-value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary, #f3f4f6);
}

.message-header-buttons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-pin-btn {
    background: transparent;
    border: none;
    padding: 6px;
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary, #d1d5db);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.panel-pin-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary, #f3f4f6);
}

.panel-pin-btn.pinned {
    background: var(--accent-color, #4ade80);
    color: #0f172a;
}

.panel-pin-btn svg {
    pointer-events: none;
}

.message-hide-btn,
.message-close-btn {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: none;
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary, #d1d5db);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.message-hide-btn:hover,
.message-close-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--text-primary, #f3f4f6);
}

.message-toolbar {
    margin-top: 48px;
    padding: 10px 16px;
    display: flex;
    gap: 8px;
    align-items: center;
    border-bottom: 1px solid var(--border-color, #333);
    background: rgba(30, 30, 30, 0.65);
}

.message-filter-input {
    flex: 1;
    min-width: 0;
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color, #333);
    background: rgba(0, 0, 0, 0.2);
    color: var(--text-primary, #f3f4f6);
    font-size: 12px !important;
}

.message-filter-input::placeholder {
    color: var(--text-secondary, #9ca3af);
    font-size: 12px !important;
}

.message-toolbar-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid transparent;
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary, #f3f4f6);
    cursor: pointer;
    transition: background 0.2s, color 0.2s, border 0.2s;
}

.message-toolbar-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

.message-content {
    position: absolute;
    top: 96px; /* header (48px) + toolbar (approx. 48px) */
    left: 0;
    right: 0;
    bottom: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px;
}

.message-channel {
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    background: rgba(0, 0, 0, 0.25);
    margin-bottom: 12px;
    overflow: hidden;
}

.message-channel-header {
    padding: 10px 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background 0.2s;
}

.message-channel-header:hover {
    background: rgba(255, 255, 255, 0.06);
}

.message-channel-name {
    font-weight: 600;
    color: var(--text-primary, #f3f4f6);
}

.message-channel-count {
    font-size: 12px;
    color: var(--text-secondary, #9ca3af);
}

.message-channel-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
}

.message-channel-body.expanded {
    max-height: 60vh;
    overflow-y: auto;
}

.message-item {
    padding: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 13px;
    color: var(--text-primary, #e5e7eb);
}

.message-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12px;
    color: var(--text-secondary, #9ca3af);
}

.message-item-payload {
    font-family: ui-monospace, SFMono-Regular, SFMono, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 6px;
    padding: 8px;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.5;
}

.message-empty-state {
    margin-top: 24px;
    text-align: center;
    color: var(--text-secondary, #9ca3af);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.message-empty-state svg {
    color: var(--accent-color, #4ade80);
    opacity: 0.6;
}

.message-empty-hint {
    font-size: 12px;
}

/* 亮色主题适配 */
[data-theme="light"] .message-viewer-sidebar {
    background: #ffffff;
    border-left: 1px solid #e5e7eb;
    box-shadow: -4px 0 12px rgba(15, 23, 42, 0.15);
}

[data-theme="light"] .message-header {
    background: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
}

[data-theme="light"] .message-title {
    color: #0f172a;
}

[data-theme="light"] .message-title svg {
    color: #3b82f6;
}

body[data-theme="light"] .message-title {
    color: #0f172a;
}

body[data-theme="light"] .message-title svg {
    color: #3b82f6;
}

[data-theme="light"] .message-stats-inline .message-stat-badge {
    background: rgba(59, 130, 246, 0.12);
}

[data-theme="light"] .message-stats-inline .message-stat-label {
    color: #64748b;
}

[data-theme="light"] .message-stats-inline .message-stat-value {
    color: #1e293b;
}

[data-theme="light"] .message-toolbar {
    background: rgba(248, 250, 252, 0.85);
    border-bottom: 1px solid #e2e8f0;
}

[data-theme="light"] .message-filter-input {
    background: #ffffff;
    border: 1px solid #d1d5db;
    color: #1f2937;
}

[data-theme="light"] .message-filter-input::placeholder {
    color: #94a3b8;
}

[data-theme="light"] .message-toolbar-btn {
    background: #e2e8f0;
    border: 1px solid #cbd5f5;
    color: #1e293b;
}

[data-theme="light"] .message-toolbar-btn:hover {
    background: #cbd5f5;
}

[data-theme="light"] .message-channel {
    border-color: #e5e7eb;
    background: #ffffff;
}

[data-theme="light"] .message-channel-name {
    color: #1f2937;
}

[data-theme="light"] .message-channel-header:hover {
    background: rgba(148, 163, 184, 0.12);
}

[data-theme="light"] .message-item {
    border-color: #e2e8f0;
    background: #f8fafc;
    color: #1f2937;
}

[data-theme="light"] .message-item-meta {
    color: #475569;
}

[data-theme="light"] .message-item-payload {
    background: #ffffff;
    border-color: #cbd5f5;
    color: #1f2937;
}

[data-theme="light"] .message-empty-state {
    color: #64748b;
}

/* 深色主题细节优化 */
[data-theme="dark"] .message-toolbar {
    background: rgba(31, 41, 55, 0.75);
}

[data-theme="dark"] .message-filter-input {
    background: rgba(17, 24, 39, 0.75);
    border: 1px solid rgba(148, 163, 184, 0.25);
    color: #e2e8f0;
}

[data-theme="dark"] .message-toolbar-btn {
    background: rgba(148, 163, 184, 0.1);
    border: 1px solid rgba(148, 163, 184, 0.3);
    color: #e2e8f0;
}

[data-theme="dark"] .message-toolbar-btn:hover {
    background: rgba(148, 163, 184, 0.2);
}

[data-theme="dark"] .message-item-payload {
    border-color: rgba(148, 163, 184, 0.2);
    color: #e5e7eb;
}