/* --- Modern SciCanvas UI Overhaul --- */
:root {
    --accent: #4361ee;
    --accent-light: #eaf0fb;
    --bg: #f8f9fb;
    --panel: #fff;
    --border: #e0e4ea;
    --shadow: 0 2px 12px rgba(67,97,238,0.07);
    --text: #222;
    --text-light: #666;
    --radius: 12px;
    --transition: 0.2s cubic-bezier(.4,0,.2,1);
    --sidebar-width: 64px;
    --drawer-width: 320px;
    --header-height: 60px;
}

body {
    font-family: 'Inter', 'Arial', 'Roboto', sans-serif;
    background: var(--bg);
    color: var(--text);
    margin: 0;
    min-height: 100vh;
    display: grid;
    grid-template-areas:
        "header header header"
        "sidebar topbar topbar"
        "sidebar main drawer";
    grid-template-columns: var(--sidebar-width) 1fr var(--drawer-width);
    grid-template-rows: var(--header-height) 64px 1fr;
    padding-top: calc(var(--header-height) + 64px); /* Add padding to account for fixed header and toolbar */
    overflow-x: hidden; /* Prevent horizontal scrolling */
}

/* Header styles */
.scicanvas-header {
    grid-area: header;
    width: 100%;
    background: var(--panel);
    z-index: 3000;
    margin-bottom: 0;
    padding-bottom: 0;
    height: 60px;
    box-sizing: border-box;
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    box-shadow: var(--shadow);
}

.scicanvas-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Adjust sidebar position */
.sidebar {
    top: calc(var(--header-height) + 64px);
    height: calc(100vh - var(--header-height) - 64px);
    bottom: 24px;
}

/* Adjust toolbar position */
.toolbar {
    position: fixed !important;
    top: var(--header-height);
    left: 0;
    right: 0;
    width: 100vw;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 0 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 2000;
    height: 64px;
    box-sizing: border-box;
    box-shadow: var(--shadow);
}

/* Adjust image library position */
.image-library-sidebar {
    position: fixed;
    right: 0;
    top: calc(var(--header-height) + 64px);
    bottom: 24px;
    width: var(--drawer-width);
    background: var(--panel);
    border-left: 1px solid var(--border);
    padding: 1.5rem;
    overflow-y: auto;
    z-index: 2500;
    pointer-events: auto;
    transform: translateY(63px); /* Move down by 63px (50px + 10px + 2px + 1px) */
}

/* Top Bar */
.toolbar-section {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0 0.5rem;
}

.toolbar-section:first-child {
    padding-left: 0;
}

.divider {
    width: 1px;
    height: 24px;
    background: var(--border);
    margin: 0 0.5rem;
}

/* Update menu items to be more compact */
.menu-item {
    position: relative;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    border-radius: var(--radius);
    transition: background var(--transition);
    font-size: 0.9rem;
}

/* Adjust spacing for formatting buttons */
.formatting-buttons {
    display: flex;
    gap: 0.25rem;
}

/* Make font selects more compact */
.font-select,
.font-size {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg);
    font-size: 0.9rem;
}

/* Make template button more compact */
.template-btn {
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: none;
    background: var(--accent-light);
    color: var(--accent);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.template-btn:hover {
    background: var(--accent);
    color: white;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--panel);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 0.5rem;
    min-width: 200px;
    display: none;
    z-index: 1001;
}

.menu-item:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
}

.dropdown-item:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.dropdown-divider {
    height: 1px;
    background: var(--border);
    margin: 0.5rem 0;
}

/* Sidebar */
.sidebar {
    grid-area: sidebar;
    background: var(--panel);
    border-right: 1px solid var(--border);
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    position: fixed;
    left: 0;
    top: calc(var(--header-height) + 64px);
    bottom: 24px;
    width: var(--sidebar-width);
    z-index: 1000;
    overflow: visible; /* Ensure tooltips are visible */
}

.sidebar::after {
    content: none; /* Remove any potential pseudo-element content */
}

.sidebar-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    position: relative;
    transition: all var(--transition);
    overflow: visible;
}

.sidebar-btn svg {
    width: 24px;
    height: 24px;
    display: block;
}

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

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

/* Only show tooltips on hover */
.sidebar-btn::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--text);
    color: white;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition);
    margin-left: 0.5rem;
    z-index: 1001;
}

.sidebar-btn:hover::after {
    opacity: 1;
}

/* Remove any other potential text-generating pseudo-elements */
.sidebar-btn::before {
    content: none;
}

.sidebar *::before,
.sidebar *::after {
    content: none;
}

/* Main Content */
.main-content {
    grid-area: main;
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: calc(100vh - 64px);
    padding-bottom: calc(2rem + 24px);
    padding-top: calc(var(--header-height) + 64px - 215px + 15px); /* Move canvas down by 15px */
}

/* Canvas */
.canvas {
    background: var(--panel);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-height: 600px;
    min-width: 900px;
    max-width: 1600px;
    width: 100%;
    position: relative;
    transition: box-shadow var(--transition);
    display: block;
}

.canvas.drag-over {
    box-shadow: 0 0 0 2px var(--accent);
    background: var(--accent-light);
}

.canvas-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    padding-top: calc(var(--header-height) + 64px - 215px + 15px); /* Move canvas down by 15px */
}

/* Image Library Drawer */
.image-library-panel {
    background: var(--panel);
    border-radius: var(--radius);
    padding: 1rem;
}

.image-library-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0.5rem;
}

.image-library-item {
    cursor: grab;
    transition: var(--transition);
    padding: 0.5rem;
    border-radius: var(--radius);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    height: 160px;
    position: relative;
    user-select: none;
    -webkit-user-drag: element;
    touch-action: none;
}

.image-library-item:hover {
    transform: translateY(-2px);
    background: var(--accent-light);
}

.image-library-item.dragging {
    opacity: 0.6;
    cursor: grabbing;
    transform: scale(1.05);
    box-shadow: var(--shadow);
    z-index: 1000;
}

.image-library-item img {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 100px;
    border-radius: calc(var(--radius) - 4px);
    pointer-events: none;
    -webkit-user-drag: none;
}

.image-library-label {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    width: 100%;
    padding: 0.25rem;
    line-height: 1.2;
    hyphens: auto;
    word-break: break-word;
    position: absolute;
    bottom: 0.5rem;
    left: 50%;
    transform: translateX(-50%);
    min-height: 2.4em;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

/* Remove the rule that hides labels */
.image-library-item span {
    display: block;
}

/* Responsive Design */
@media (max-width: 1200px) {
    body {
        grid-template-columns: var(--sidebar-width) 1fr 0;
    }
    
    .image-library-sidebar {
        transform: translateX(100%);
        transition: transform var(--transition);
    }
    
    .image-library-sidebar.open {
        transform: translateX(0);
    }
}

@media (max-width: 900px) {
    .canvas {
        min-width: 100%;
        margin: 0;
    }
    
    .main-content {
        padding: 1rem;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

.canvas-text-box {
    position: absolute;
    min-width: 100px;
    min-height: 30px;
    border: 1px solid var(--border);
    padding: 5px;
    background: var(--panel);
    cursor: text;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
}

.canvas-text-box:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-light);
}

.canvas-text-box:hover {
    box-shadow: 0 0 0 2px var(--accent-light);
}

/* Resizable elements */
.canvas-element {
    position: absolute;
    cursor: move;
}

.canvas-element .resize-handle {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border: 1px solid white;
    position: absolute;
    border-radius: 50%;
}

.canvas-element .resize-handle.nw { top: -4px; left: -4px; cursor: nw-resize; }
.canvas-element .resize-handle.ne { top: -4px; right: -4px; cursor: ne-resize; }
.canvas-element .resize-handle.sw { bottom: -4px; left: -4px; cursor: sw-resize; }
.canvas-element .resize-handle.se { bottom: -4px; right: -4px; cursor: se-resize; }

.canvas-element.selected {
    outline: 2px solid var(--accent);
}

/* Draggable elements on canvas */
.draggable-element {
    position: absolute;
    cursor: move;
    user-select: none;
    transition: var(--transition);
}

.draggable-element.selected {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Only apply flat/clean look to dropped images/icons */
.image-element {
    background: var(--panel);
    border-radius: var(--radius);
    padding: 0.5rem;
    box-shadow: none;
    border: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    max-width: 150px;
}

.image-element:hover {
    box-shadow: none;
}

.image-element img {
    width: 100%;
    height: auto;
    object-fit: contain;
    max-height: 100px;
    border-radius: calc(var(--radius) - 4px);
    pointer-events: none;
}

.element-label {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    width: 100%;
    padding: 0.25rem;
    line-height: 1.2;
    hyphens: auto;
    word-break: break-word;
    pointer-events: none;
}

.image-library-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
    justify-content: flex-start;
}

.image-library-tab {
    background: var(--accent-light);
    color: var(--text-light);
    border: none;
    border-radius: var(--radius);
    padding: 0.5rem 1.25rem;
    font-size: 1rem;
    cursor: pointer;
    transition: background var(--transition), color var(--transition);
}

.image-library-tab.active {
    background: var(--accent);
    color: #2a2a2a;
    font-weight: 600;
}

#editor-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    z-index: 1;
}

.drawing-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 2;
}

.format-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    background: var(--bg);
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.format-btn:hover {
    background: var(--accent-light);
    border-color: var(--accent);
}

.format-btn svg {
    width: 18px;
    height: 18px;
    fill: var(--text);
}

.format-btn:hover svg {
    fill: var(--accent);
}

.format-btn.active {
    background: var(--accent-light);
    border-color: var(--accent);
}

.format-btn.active svg {
    fill: var(--accent);
}

/* Add text labels */
.format-btn::after {
    content: attr(title);
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    white-space: nowrap;
    background: var(--text);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.format-btn:hover::after {
    opacity: 1;
}

/* Status Bar */
.status-bar {
    position: fixed;
    bottom: 30px; /* Move up by 30px */
    left: 0;
    right: 0;
    height: 24px;
    background: var(--panel);
    border-top: 1px solid var(--border);
    padding: 0 1rem;
    font-size: 0.875rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    z-index: 1002;
}

/* Toast notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    z-index: 1002;
    animation: fadeInOut 2s ease-in-out;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translate(-50%, 1rem); }
    15% { opacity: 1; transform: translate(-50%, 0); }
    85% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, -1rem); }
}

/* Add this at the end of the file */
.image-library-title {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    text-align: center;
    margin-bottom: 1.5rem;
    letter-spacing: 0.01em;
}