/* Designer v2 - Modern layout & more tools */
:root {
    --ds-bg: #0f172a;
    --ds-surface: #1e293b;
    --ds-surface-hover: #334155;
    --ds-border: rgba(255, 255, 255, 0.08);
    --ds-text: #f1f5f9;
    --ds-muted: #94a3b8;
    --ds-accent: #3b82f6;
    --ds-accent-hover: #2563eb;
    --ds-danger: #ef4444;
    --ds-success: #22c55e;
    --ds-radius: 10px;
    --ds-radius-sm: 6px;
}

.designer-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--ds-bg);
    color: var(--ds-text);
}

/* Header bar */
.designer-header-bar {
    background: var(--ds-surface);
    border-bottom: 1px solid var(--ds-border);
    padding: 0 16px;
    flex-shrink: 0;
}

.header-bar-inner {
    max-width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 56px;
}

.designer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--ds-text);
}

.designer-logo-img {
    height: 36px;
    width: auto;
}

.designer-brand {
    font-weight: 700;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.toolbar-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border: none;
    background: transparent;
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.15s;
}

.toolbar-btn:hover:not(:disabled) {
    background: var(--ds-surface-hover);
}

.toolbar-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.toolbar-btn-export {
    background: var(--ds-accent);
    color: #fff;
}

.toolbar-btn-export:hover {
    background: var(--ds-accent-hover);
}

.toolbar-sep {
    width: 1px;
    height: 24px;
    background: var(--ds-border);
    margin: 0 4px;
}

.zoom-controls {
    display: flex;
    align-items: center;
    gap: 4px;
}

.zoom-value {
    font-size: 0.8rem;
    color: var(--ds-muted);
    min-width: 40px;
    text-align: center;
}

.export-dropdown-wrap {
    position: relative;
}

.export-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--ds-surface);
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    padding: 4px;
    min-width: 120px;
    z-index: 100;
}

.export-dropdown.is-open {
    display: block;
}

.export-option {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    border: none;
    background: none;
    color: var(--ds-text);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    text-align: left;
}

.export-option:hover {
    background: var(--ds-surface-hover);
}

/* Workspace */
.designer-workspace {
    flex: 1;
    display: flex;
    min-height: 0;
    overflow: hidden;
}

/* Sidebars */
.designer-sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--ds-surface);
    border-right: 1px solid var(--ds-border);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.designer-sidebar-right {
    border-right: none;
    border-left: 1px solid var(--ds-border);
}

.sidebar-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 2px;
    padding: 12px 12px 0;
    border-bottom: 1px solid var(--ds-border);
}

.sidebar-tab {
    flex: 1;
    min-width: 60px;
    padding: 10px 8px;
    border: none;
    background: transparent;
    color: var(--ds-muted);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: color 0.15s, background 0.15s;
}

.sidebar-tab:hover {
    color: var(--ds-text);
}

.sidebar-tab.active {
    background: var(--ds-surface-hover);
    color: var(--ds-accent);
}

.sidebar-panels {
    padding: 12px;
    flex: 1;
}

.sidebar-panel {
    display: none;
}

.sidebar-panel.active {
    display: block;
}

.panel-heading {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ds-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0 0 10px;
    padding-left: 4px;
}

.panel-section {
    margin-bottom: 20px;
}

.tool-card {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 8px;
    border: 1px solid var(--ds-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    text-align: left;
    transition: background 0.15s, border-color 0.15s;
}

.tool-card:hover {
    background: var(--ds-surface-hover);
    border-color: var(--ds-accent);
}

.tool-card i {
    width: 22px;
    text-align: center;
    color: var(--ds-accent);
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.tool-icon-btn {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--ds-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 1.1rem;
    transition: background 0.15s, border-color 0.15s;
}

.tool-icon-btn:hover {
    background: var(--ds-surface-hover);
    border-color: var(--ds-accent);
}

/* Canvas area */
.designer-canvas-area {
    flex: 1;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #1a1a2e;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 20px 20px;
}

.canvas-scroll {
    overflow: auto;
    padding: 24px;
    max-width: 100%;
    max-height: 100%;
}

.canvas-stage {
    display: inline-block;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    background: #fff;
}

#designCanvas {
    display: block;
}

/* Right panel - properties */
.no-selection-panel,
.props-panel {
    padding: 16px;
}

.hint-text {
    color: var(--ds-muted);
    font-size: 0.9rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quick-colors {
    margin-bottom: 14px;
}

.color-swatches {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.color-swatch {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 2px solid var(--ds-border);
    cursor: pointer;
    transition: transform 0.15s;
}

.color-swatch:hover {
    transform: scale(1.1);
}

.prop-row {
    margin-bottom: 14px;
}

.prop-row-inline {
    display: flex;
    gap: 8px;
}

.prop-label {
    display: block;
    font-size: 0.8rem;
    color: var(--ds-muted);
    margin-bottom: 6px;
}

.input-color {
    width: 100%;
    height: 38px;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    background: var(--ds-bg);
}

.input-number,
.input-select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    background: var(--ds-bg);
    color: var(--ds-text);
    font-size: 0.9rem;
}

.input-number-small {
    width: 56px;
    padding: 6px 8px;
    margin-left: 8px;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    background: var(--ds-bg);
    color: var(--ds-text);
    font-size: 0.85rem;
}

.input-range {
    width: calc(100% - 48px);
    vertical-align: middle;
    margin-right: 8px;
}

.prop-toggle {
    padding: 8px 14px;
    border: 1px solid var(--ds-border);
    background: var(--ds-bg);
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
}

.prop-toggle:hover,
.prop-toggle.active {
    background: var(--ds-accent);
    border-color: var(--ds-accent);
}

.btn-row {
    display: flex;
    gap: 8px;
}

.btn-icon {
    padding: 8px 12px;
    border: 1px solid var(--ds-border);
    background: var(--ds-bg);
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
}

.btn-icon:hover {
    background: var(--ds-accent);
    border-color: var(--ds-accent);
}

.btn-delete {
    width: 100%;
    padding: 10px 16px;
    margin-top: 16px;
    border: none;
    background: var(--ds-danger);
    color: #fff;
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-delete:hover {
    filter: brightness(1.1);
}

.btn-primary {
    padding: 8px 16px;
    border: none;
    background: var(--ds-accent);
    color: #fff;
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
}

.btn-primary:hover {
    background: var(--ds-accent-hover);
}

.btn-small {
    padding: 6px 12px;
    margin-left: 8px;
    border: 1px solid var(--ds-border);
    background: var(--ds-surface-hover);
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
}

/* Modals */
.designer-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.designer-modal.is-open {
    display: flex;
}

.designer-modal-box {
    background: var(--ds-surface);
    border-radius: var(--ds-radius);
    max-width: 520px;
    width: 100%;
    max-height: 88vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--ds-border);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.designer-modal-box.modal-wide {
    max-width: 720px;
}

.designer-modal-box.modal-sm {
    max-width: 320px;
}

.modal-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--ds-border);
}

.modal-head h2 {
    font-size: 1.1rem;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--ds-text);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 8px;
    line-height: 1;
    opacity: 0.8;
}

.modal-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
}

.template-card {
    aspect-ratio: 1;
    border: 2px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
    transition: border-color 0.2s, transform 0.2s;
}

.template-card:hover {
    border-color: var(--ds-accent);
    transform: scale(1.02);
}

.template-card-inner {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--ds-muted);
    padding: 10px;
    text-align: center;
}

.size-presets {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.size-preset {
    padding: 12px;
    border: 2px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    background: rgba(255, 255, 255, 0.03);
    color: var(--ds-text);
    cursor: pointer;
    text-align: center;
    font-size: 0.85rem;
}

.size-preset:hover {
    border-color: var(--ds-accent);
}

.size-custom h4 {
    margin: 0 0 12px;
    font-size: 0.95rem;
}

.size-custom label {
    display: block;
    margin-bottom: 8px;
}

.size-custom .input-number,
.size-custom input[type="number"] {
    width: 100px;
    margin-left: 10px;
}

.size-custom #btnApplySize {
    margin-top: 12px;
}

.bg-option {
    margin-bottom: 16px;
}

.bg-option .input-color {
    display: inline-block;
    width: 60px;
    height: 40px;
    margin-right: 8px;
}

.align-btns {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.btn-align {
    flex: 1;
    min-width: 90px;
    padding: 10px 12px;
    border: 1px solid var(--ds-border);
    background: rgba(255, 255, 255, 0.03);
    color: var(--ds-text);
    border-radius: var(--ds-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.btn-align:hover {
    background: var(--ds-accent);
    border-color: var(--ds-accent);
}

.stock-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 16px;
}

.stock-bar input {
    width: 80px;
    padding: 8px 10px;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-sm);
    background: var(--ds-bg);
    color: var(--ds-text);
}

.stock-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
}

.stock-item {
    aspect-ratio: 1;
    border-radius: var(--ds-radius-sm);
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: border-color 0.2s;
}

.stock-item:hover {
    border-color: var(--ds-accent);
}

.stock-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@media (max-width: 1000px) {
    .designer-sidebar {
        width: 240px;
        min-width: 240px;
    }
    .header-toolbar span:not(.zoom-value) {
        display: none;
    }
}

@media (max-width: 768px) {
    .designer-workspace {
        flex-direction: column;
    }
    .designer-sidebar-left {
        width: 100%;
        min-width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--ds-border);
        max-height: 200px;
    }
    .sidebar-tabs {
        flex: 0 0 auto;
    }
    .designer-sidebar-right {
        width: 100%;
        min-width: 100%;
        border-left: none;
        border-top: 1px solid var(--ds-border);
    }
}