/* SketchPad Component - Minimal Pills Design */
/* Responsive, theme-aware styling */

/* ===== CSS Custom Properties for Theming ===== */
.sketch-pad-container {
    --sp-bg: transparent;
    --sp-surface: #f3f4f6;
    --sp-surface-hover: #e5e7eb;
    --sp-surface-active: #e5e7eb;
    --sp-border: #d1d5db;
    --sp-text-primary: #111827;
    --sp-text-secondary: #6b7280;
    --sp-text-muted: #9ca3af;
    --sp-accent: #111827;
    --sp-accent-hover: #374151;
    --sp-danger: #ef4444;
    --sp-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    --sp-pill-bg: #e5e7eb;
    --sp-pill-border: none;
    --sp-slider-track: #d1d5db;
    --sp-slider-thumb-bg: white;
    --sp-slider-thumb-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    max-width: 100%;
}

/* Dark theme overrides */
[data-bs-theme="dark"] .sketch-pad-container,
.theme-dark .sketch-pad-container {
    --sp-bg: transparent;
    --sp-surface: #073642;
    --sp-surface-hover: #0a4a56;
    --sp-surface-active: #0a4a56;
    --sp-border: #0a4a56;
    --sp-text-primary: #fdf6e3;
    --sp-text-secondary: #93a1a1;
    --sp-text-muted: #657b83;
    --sp-accent: #fdf6e3;
    --sp-accent-hover: #eee8d5;
    --sp-danger: #dc322f;
    --sp-shadow: none;
    --sp-pill-bg: #073642;
    --sp-pill-border: 1px solid #0a4a56;
    --sp-slider-track: #2aa198;
    --sp-slider-thumb-bg: #fdf6e3;
    --sp-slider-thumb-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
}

/* ===== Main Container ===== */
.sketch-pad-container {
    background: transparent;
}

/* ===== Toolbar - Pill Style ===== */
.sketch-pad-container .toolbar {
    display: flex;
    justify-content: flex-start;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
    padding: 0;
    background: transparent;
    border: none;
}

.sketch-pad-container .pill-group {
    display: flex;
    align-items: center;
    background: var(--sp-pill-bg);
    border-radius: 100px;
    padding: 4px;
    box-shadow: var(--sp-shadow);
    border: var(--sp-pill-border);
}

.sketch-pad-container .pill-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sp-text-secondary);
    transition: all 0.2s ease;
    font-size: 13px;
    padding: 0;
    margin: 0;
}

.sketch-pad-container .pill-btn:hover {
    color: var(--sp-text-primary);
    background: var(--sp-surface-hover);
}

.sketch-pad-container .pill-btn.active {
    background: var(--sp-accent);
    color: var(--sp-surface);
}

.sketch-pad-container .pill-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.sketch-pad-container .pill-btn:disabled:hover {
    background: transparent;
    color: var(--sp-text-secondary);
}

/* ===== Slider Controls ===== */
.sketch-pad-container .slider-pill {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 12px;
}

.sketch-pad-container .slider-pill i {
    color: var(--sp-text-secondary);
    font-size: 12px;
    width: 14px;
    text-align: center;
}

.sketch-pad-container .slider-value {
    font-size: 11px;
    font-weight: 500;
    color: var(--sp-text-muted);
    min-width: 36px;
    text-align: center;
}

.sketch-pad-container .slider-track {
    width: 60px;
    height: 4px;
    background: var(--sp-slider-track);
    border-radius: 2px;
    position: relative;
    -webkit-appearance: none;
    appearance: none;
}

.sketch-pad-container .slider-track::-webkit-slider-runnable-track {
    background: var(--sp-slider-track);
    border-radius: 2px;
    height: 4px;
}

.sketch-pad-container .slider-track::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--sp-slider-thumb-bg);
    border-radius: 50%;
    box-shadow: var(--sp-slider-thumb-shadow);
    border: 2px solid var(--sp-accent);
    margin-top: -5px;
    cursor: pointer;
}

.sketch-pad-container .slider-track::-moz-range-track {
    background: var(--sp-slider-track);
    border-radius: 2px;
    height: 4px;
}

.sketch-pad-container .slider-track::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--sp-slider-thumb-bg);
    border-radius: 50%;
    box-shadow: var(--sp-slider-thumb-shadow);
    border: 2px solid var(--sp-accent);
    cursor: pointer;
}

/* ===== Color Picker ===== */
.sketch-pad-container .color-preview {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 3px solid var(--sp-surface);
    box-shadow: var(--sp-shadow);
    cursor: pointer;
    padding: 0;
    -webkit-appearance: none;
    appearance: none;
}

.sketch-pad-container .color-preview::-webkit-color-swatch-wrapper {
    padding: 0;
}

.sketch-pad-container .color-preview::-webkit-color-swatch {
    border: none;
    border-radius: 50%;
}

.sketch-pad-container .color-preview::-moz-color-swatch {
    border: none;
    border-radius: 50%;
}

/* ===== Main Layout ===== */
.sketch-pad-container .main-content {
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

/* ===== Canvas Area ===== */
.sketch-pad-container .canvas-wrapper {
    flex: 0 0 auto;
    position: relative;
}

.sketch-pad-container .canvas-area {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
    box-shadow: var(--sp-shadow);
    border: 1px solid var(--sp-border);
    /* Ensure the container has dimensions for absolutely positioned canvases */
    display: block;
}

.sketch-pad-container .sketch-layer {
    cursor: crosshair;
    touch-action: none;
}

.sketch-pad-container .sketch-layer.active {
    cursor: crosshair;
}

.sketch-pad-container .sketch-layer:not(.active) {
    pointer-events: none;
}

/* ===== Layers Panel ===== */
.sketch-pad-container .layers-panel {
    flex: 1;
    min-width: 200px;
    max-width: 400px;
}

.sketch-pad-container .layers-card {
    background: var(--sp-pill-bg);
    border-radius: 16px;
    box-shadow: var(--sp-shadow);
    border: var(--sp-pill-border);
    overflow: hidden;
}

.sketch-pad-container .layers-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
}

.sketch-pad-container .layers-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--sp-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

.sketch-pad-container .layers-actions {
    display: flex;
    gap: 4px;
}

.sketch-pad-container .action-btn {
    width: 24px;
    height: 24px;
    border: none;
    background: var(--sp-surface-hover);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sp-text-secondary);
    font-size: 10px;
    transition: all 0.2s ease;
    padding: 0;
}

.sketch-pad-container .action-btn:hover {
    background: var(--sp-accent);
    color: var(--sp-bg);
}

.sketch-pad-container .action-btn.danger:hover {
    background: var(--sp-danger);
    color: white;
}

/* ===== Layer Items ===== */
.sketch-pad-container .layers-list {
    padding: 4px 8px 8px;
    max-height: 300px;
    overflow-y: auto;
}

.sketch-pad-container .layer-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: 4px;
}

.sketch-pad-container .layer-item:last-child {
    margin-bottom: 0;
}

.sketch-pad-container .layer-item:hover {
    background: var(--sp-surface-hover);
}

.sketch-pad-container .layer-item.active {
    background: var(--sp-surface-active);
    box-shadow: inset 0 0 0 1px var(--sp-border);
}

.sketch-pad-container .layer-thumb {
    width: 32px;
    height: 24px;
    border-radius: 6px;
    flex-shrink: 0;
    object-fit: cover;
    background: var(--sp-surface-hover);
}

.sketch-pad-container .layer-info {
    flex: 1;
    min-width: 0;
}

.sketch-pad-container .layer-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--sp-text-primary);
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sketch-pad-container .layer-name-input {
    font-size: 12px;
    padding: 2px 6px;
    border: 1px solid var(--sp-border);
    border-radius: 4px;
    background: var(--sp-surface);
    color: var(--sp-text-primary);
    width: 100%;
    max-width: 80px;
}

.sketch-pad-container .layer-opacity {
    width: 100%;
    height: 4px;
    background: var(--sp-slider-track);
    border-radius: 2px;
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid var(--sp-text-muted);
}

.sketch-pad-container .layer-opacity::-webkit-slider-runnable-track {
    background: var(--sp-slider-track);
    border-radius: 2px;
    height: 4px;
}

.sketch-pad-container .layer-opacity::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    background: var(--sp-slider-thumb-bg);
    border: 2px solid var(--sp-accent);
    border-radius: 50%;
    margin-top: -5px;
    cursor: pointer;
    box-shadow: var(--sp-slider-thumb-shadow);
}

.sketch-pad-container .layer-opacity::-moz-range-track {
    background: var(--sp-slider-track);
    border-radius: 2px;
    height: 4px;
}

.sketch-pad-container .layer-opacity::-moz-range-thumb {
    width: 12px;
    height: 12px;
    background: var(--sp-slider-thumb-bg);
    border: 2px solid var(--sp-accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--sp-slider-thumb-shadow);
}

.sketch-pad-container .layer-controls {
    display: flex;
    gap: 4px;
}

.sketch-pad-container .layer-ctrl-btn {
    width: 22px;
    height: 22px;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sp-text-muted);
    font-size: 10px;
    transition: all 0.15s ease;
    padding: 0;
}

.sketch-pad-container .layer-ctrl-btn:hover {
    background: var(--sp-surface-hover);
    color: var(--sp-text-secondary);
}

.sketch-pad-container .layer-ctrl-btn.active {
    color: var(--sp-text-primary);
}

/* ===== Full Screen Modal ===== */
.sketch-pad-container .fullscreen-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    background: var(--sp-bg);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.sketch-pad-container .fullscreen-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.sketch-pad-container .fullscreen-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--sp-text-primary);
    margin: 0;
}

.sketch-pad-container .fullscreen-close {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--sp-surface-hover);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sp-text-secondary);
    font-size: 14px;
    transition: all 0.2s ease;
}

.sketch-pad-container .fullscreen-close:hover {
    background: var(--sp-accent);
    color: var(--sp-bg);
}

/* ===== Responsive Design ===== */

/* Tablet */
@media (max-width: 991px) {
    .sketch-pad-container .main-content {
        flex-direction: column;
    }

    .sketch-pad-container .layers-panel {
        width: 100%;
    }

    .sketch-pad-container .layers-list {
        max-height: 200px;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .sketch-pad-container .toolbar {
        gap: 6px;
        margin-bottom: 12px;
    }

    .sketch-pad-container .pill-group {
        padding: 3px;
    }

    .sketch-pad-container .pill-btn {
        width: 32px;
        height: 32px;
        font-size: 12px;
    }

    .sketch-pad-container .slider-pill {
        padding: 0 8px;
        gap: 6px;
    }

    .sketch-pad-container .slider-value {
        font-size: 10px;
        min-width: 30px;
    }

    .sketch-pad-container .slider-track {
        width: 50px;
    }

    .sketch-pad-container .color-preview {
        width: 24px;
        height: 24px;
    }

    .sketch-pad-container .canvas-area {
        border-radius: 12px;
    }

    .sketch-pad-container .layers-card {
        border-radius: 12px;
    }

    .sketch-pad-container .layers-header {
        padding: 12px 14px;
    }

    .sketch-pad-container .layer-item {
        padding: 8px 10px;
        gap: 8px;
    }

    .sketch-pad-container .layer-thumb {
        width: 28px;
        height: 20px;
    }

    .sketch-pad-container .layer-name {
        font-size: 11px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .sketch-pad-container .toolbar {
        gap: 4px;
    }

    .sketch-pad-container .pill-btn {
        width: 28px;
        height: 28px;
        font-size: 11px;
    }

    .sketch-pad-container .slider-pill {
        padding: 0 6px;
    }

    .sketch-pad-container .slider-track {
        width: 40px;
    }

    .sketch-pad-container .slider-value {
        display: none;
    }

    .sketch-pad-container .color-preview {
        width: 22px;
        height: 22px;
        border-width: 2px;
    }

    .sketch-pad-container .main-content {
        gap: 12px;
    }

    .sketch-pad-container .layers-panel {
        order: -1;
    }

    .sketch-pad-container .layers-list {
        max-height: 150px;
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .sketch-pad-container .pill-btn {
        min-height: 40px;
        min-width: 40px;
    }

    .sketch-pad-container .action-btn {
        min-width: 32px;
        min-height: 32px;
    }

    .sketch-pad-container .layer-ctrl-btn {
        min-width: 28px;
        min-height: 28px;
    }

    .sketch-pad-container .color-preview {
        min-width: 36px;
        min-height: 36px;
    }
}

/* Hidden file inputs */
.sketch-pad-container input[type="file"] {
    display: none;
}