/* --- Canvas View --- */
#view-canvas {
    background-color: var(--bg-canvas);
    transition: background-color 0.3s ease;
}

#canvas-root {
    width: 100%;
    height: 100vh;
    background-color: var(--bg-canvas);
    cursor: grab;
    transition: background-color 0.3s ease;
}

#canvas-root:active {
    cursor: grabbing;
}

/* --- Menu Boczne (Sidebar Toolbar) --- */
#sidebar-container {
    position: absolute;
    top: 100px;
    left: 20px;
    z-index: 1001;
}

.miro-sidebar-toolbar {
    display: flex;
    flex-direction: column;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 10px;
    padding: 6px;
    gap: 6px;
    box-shadow: var(--card-shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: all 0.3s ease;
}

.sidebar-btn {
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
    padding: 0;
    outline: none;
}

.sidebar-btn:hover {
    background: var(--btn-secondary-bg);
    color: var(--accent);
}

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

.sidebar-btn svg {
    width: 20px;
    height: 20px;
    stroke: currentColor;
    stroke-width: 2;
    fill: none;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.sidebar-separator {
    width: 100%;
    height: 1px;
    background: var(--card-border);
    margin: 2px 0;
}

/* --- Popover w Menu Bocznym (Sidebar Tooltip/Dropdown Grid) --- */
.sidebar-popover-layer {
    position: absolute;
    top: 0;
    left: 0;
    pointer-events: none;
    z-index: 1002;
    width: 0;
    height: 0;
}

.sidebar-popover {
    pointer-events: auto;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 12px;
    box-shadow: var(--card-shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 90px;
    animation: sidebarPopoverFadeIn 0.15s ease-out;
}

@keyframes sidebarPopoverFadeIn {
    from {
        opacity: 0;
        transform: translateX(-8px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Siatka kolorów */
.sidebar-colors-grid {
    display: grid;
    grid-template-columns: repeat(2, 40px);
    gap: 8px;
}

.color-swatch {
    width: 40px;
    height: 40px;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid rgba(0, 0, 0, 0.08);
    transition: transform 0.15s, border-color 0.15s;
    position: relative;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.color-swatch:hover {
    transform: scale(1.08);
    border-color: var(--accent);
}

.color-swatch::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(-6px);
    background: #0f172a;
    color: #fff;
    padding: 4px 8px;
    font-size: 10px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s;
    z-index: 2000;
}

.color-swatch:hover::after {
    opacity: 1;
}

/* Przyciski pomocnicze w popoverze */
.sidebar-popover-btn {
    background: var(--btn-secondary-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 8px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.15s;
    outline: none;
}

.sidebar-popover-btn:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Pasek informacyjny w sekcji Canvas */
#canvas-top-bar {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 1002;
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--top-bar-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 8px 16px;
    box-shadow: var(--card-shadow);
    transition: all 0.3s ease;
}

.btn-back {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: color 0.2s ease;
    font-weight: 500;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 6px;
}

.btn-back:hover {
    color: var(--text-main);
}

.separator-top {
    width: 1px;
    height: 16px;
    background: var(--card-border);
}

#canvas-board-title {
    font-weight: 600;
    font-size: 14px;
}

#canvas-sync-status {
    font-size: 11px;
    color: #10b981;
    background: var(--status-bg);
    padding: 4px 10px;
    border-radius: 20px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 5px;
}

#canvas-sync-status.connecting {
    color: #fbbf24;
    background: var(--status-connecting-bg);
}