.paint-container {
    height: calc(100vh - 60px);
    height: calc(100dvh - 60px);
    /* Adjust for header */
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.toggle-toolbar-btn {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 20;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-color);
    border: none;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: transform 0.3s ease, background-color 0.2s;
    cursor: pointer;
}

.toggle-toolbar-btn:hover {
    background-color: var(--primary-hover);
    transform: scale(1.05);
}

.toggle-toolbar-btn svg {
    position: absolute;
    transition: opacity 0.3s ease, transform 0.3s ease;
    width: 28px;
    height: 28px;
}

/* Default state (Open): Show Close Icon */
.toggle-toolbar-btn .icon-open {
    opacity: 0;
    transform: rotate(-90deg);
}

.toggle-toolbar-btn .icon-close {
    opacity: 1;
    transform: rotate(0);
}

/* Closed state: Show Open Icon (Palette) */
.toggle-toolbar-btn.closed .icon-open {
    opacity: 1;
    transform: rotate(0);
}

.toggle-toolbar-btn.closed .icon-close {
    opacity: 0;
    transform: rotate(90deg);
}

.toolbar-wrapper {
    padding: 10px;
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    border-bottom: none;
    z-index: 10;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.toolbar-wrapper.hidden {
    position: absolute;
    bottom: 0;
    width: 100%;
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
}

.toolbar {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.tool-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 10px;
    border-right: 1px solid var(--border-color);
}

.tool-group:last-child {
    border-right: none;
}

.tool-group label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
}

.actions button {
    background: transparent;
    border: 1px solid transparent;
    padding: 8px;
    border-radius: 8px;
    color: var(--text-color);
    transition: all 0.2s;
    pointer-events: auto;
    position: relative;
    z-index: 100;
}

.actions button:hover {
    background-color: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.actions button.active {
    background-color: var(--primary-color);
    color: white;
}

.canvas-area {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #e5e5f7;
    background-image: radial-gradient(#444cf7 0.5px, transparent 0.5px), radial-gradient(#444cf7 0.5px, #e5e5f7 0.5px);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
    position: relative;
    overflow: hidden;
    cursor: crosshair;
}

[data-theme="dark"] .canvas-area {
    background-color: #0f172a;
    background-image: radial-gradient(#334155 1px, transparent 1px);
}

canvas {
    background: white;
    box-shadow: var(--shadow-lg);
}

/* Ensure select and inputs are interactive */
.tool-group select,
.tool-group input {
    pointer-events: auto;
    position: relative;
    z-index: 100;
}

.brush-selector {
    padding: 6px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 0.9rem;
    cursor: pointer;
    min-width: 80px;
}

@media (max-width: 600px) {
    .toolbar {
        gap: 10px;
    }

    .tool-group {
        border: none;
        padding: 0;
    }
}