@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');

:root {
    --font-main: -apple-system, BlinkMacSystemFont, sans-serif;
    --font-code-main: ui-monospace, monospace;
    
    /* Minimal palette */
    --color-bg: #f5f5f5;
    --color-bg-modal: #e5e5e5;
    --color-fg: #000;
    --color-border: #f0f0f0;
    --color-accent: rgba(50,120,255,1.0);
    --backgroundcolor-accent: rgba(50,120,255,0.1);
    /*--color-selected: rgba(50,120,255,0.1);*/
    
    --color-surface: #fff;
    --color-text: #666;
    --color-hover: rgba(0, 0, 0, 0.03);
    
    /*--radius: 12px;*/
    --transition: all 0s cubic-bezier(0.4, 0, 0.2, 1), width 0s, height 0s, top 0s, bottom 0s, right 0s, left 0s;
    --selectBorder: 3px;
}

body.dark-theme {   
    --color-bg: #222;
    --color-bg-modal: #151515;
    --color-fg: #fff;
    --color-border: #222;
    --color-accent: rgba(222,100,100,1.0); 
    --backgroundcolor-accent: rgba(222,100,100,0.1);

  
    --color-surface: #1a1a1a;
    --color-text: #999;
    --color-hover: rgba(255, 255, 255, 0.1);
}

/* Reset */
/** {
    font-family: var(--font-main);
}*/

body {
    background: var(--color-bg);
    color: var(--color-fg);
}

/* ========== TOOLBAR ========== */
.toolbar {
    background: transparent;
    border: none;
    padding: 20px;
    padding-left: 10px;
    /*backdrop-filter: blur(10px);*/
    /*-webkit-backdrop-filter: blur(10px);*/
}

.toolbar-group {
    display: flex;
    gap: 2px;
}

.toolbar-divider {
    width: 1px;
    height: 20px;
    background: var(--color-border);
    margin: 0 12px;
    opacity: 0.6;
}

.toolbar-spacer {
    flex: 1;
}

/* Minimal buttons */
.tool-btn {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    color: var(--color-text);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.tool-btn:hover {
    background: var(--color-hover);
    color: var(--color-fg);
}

.tool-btn:active {
    transform: scale(0.96);
}

.tool-btn svg {
    width: 18px;
    height: 18px;
    stroke-width: 2;
}

.tool-btn.danger:hover {
    color: #ff3b30;
    background: rgba(255, 59, 48, 0.1);
}

/* Minimal select */
.tool-select {
    height: 36px;
    padding: 0 32px 0 12px;
    background: transparent;
    color: var(--color-fg);
    border: 0px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    appearance: none;
    background-repeat: no-repeat;
    background-position: right 8px center;
    
    /* Auto width with constraints */
    width: auto;
    min-width: 100px; /* Minimum width */
    max-width: 200px; /* Maximum width (optional) */
}
.tool-select:hover {
    background: var(--color-hover);
}

.tool-select:focus {
    outline: none;
}

/* Zoom indicator */
.zoom-indicator {
    font-size: 12px;
    font-weight: 500;
    color: var(--color-text);
    padding: 0 8px;
}

/* Theme toggle icons */
#themeToggle .sun-icon {
    display: block;
}

#themeToggle .moon-icon {
    display: none;
}

body.dark-theme #themeToggle .sun-icon {
    display: none;
}

body.dark-theme #themeToggle .moon-icon {
    display: block;
}

/* ========== VIEWPORT ========== */
#viewport {
    background: black;
    top: 0px;
}

/* ========== CANVAS ============ */

#canvas {
/*    border: 10px solid black;
    box-sizing: border-box;
*/}


/* ========== CANVAS ITEMS ========== */
.canvas-item {
    background: var(--color-surface);
    border: 1px solid transparent;
    border-radius: var(--radius);
    box-shadow: none;
    transition: var(--transition);
}

.canvas-item:not(.selected):hover {
    border-color: rgba(0, 0, 0, 0.1);
}

body.dark-theme .canvas-item:not(.selected):hover {
    border-color: rgba(255, 255, 255, 0.1);
}

.canvas-item.selected {
    border-color: var(--color-accent);
}

/* Minimal delete button */
/*.delete-btn {
    width: 24px;
    height: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    font-size: 16px;
    opacity: 0;
    transition: var(--transition);
    z-index: 10;
    position: absolute;
}*/

.canvas-item:hover .delete-btn {
    opacity: 1;
}

.delete-btn:hover {
    background: #ff3b30;
    border-color: #ff3b30;
    color: white;
}

.resize-handle {
    z-index: 10;
    position: absolute;
}

/* Resize handle */
.resize-handle::before {
    border-color: var(--color-text);
    opacity: 0.3;
}

.canvas-item:hover .resize-handle::before {
    opacity: 0.6;
}

/* Text items */
.text-item {
    background: transparent;
    /*background: var(--color-surface);*/
}

/*.rich-text-editor {
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-fg);
}

.rich-text-editor:empty:before {
    color: var(--color-text);
}
*/
/* Code items */
.code-item {
    background: #1a1a1a !important;
}

.code-item pre {
     font-family: var(--font-code-main) !important;
}

/* Link items */
.link-item {
    background: var(--color-surface);
}

.link-title {
    /*font-weight: 500;*/
}

/* Image items */
.image-item {
    /*border: none;*/
    /*background: transparent !important;*/
}

/* ========== GREENISH MULTI-SELECT ========== */

/* Multi-selected items */
.canvas-item.multi-selected {
    border-color: var(--color-accent);
    border-width: 2px;
    box-sizing: border-box;
    background: var(--backgroundcolor-accent);
    /*background: rgba(16, 163, 127, 0.03);*/
    /*animation: multiSelectPulse 300ms cubic-bezier(0.4, 0, 0.2, 1);*/
}

@keyframes multiSelectPulse {
    0% {
        transform: scale(0.98);
        border-color: rgba(16, 163, 127, 0.5);
    }
    50% {
        transform: scale(1.01);
        border-color: rgba(16, 163, 127, 1);
    }
    100% {
        transform: scale(1);
        border-color: var(--color-accent);
    }
}

/* Multi-select overlay */
.multi-select-overlay {
    /*background: linear-gradient(135deg, 
        rgba(16, 163, 127, 0.05) 0%, 
        rgba(16, 163, 127, 0.02) 100%);*/
    border-radius: var(--radius);
    animation: overlayFadeIn 200ms ease-out;
}

@keyframes overlayFadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Selection box */
.selection-box {
    border: 1px solid var(--color-accent);
    background: var(--backgroundcolor-accent);
    animation: selectionGrow 100ms ease-out;
}

@keyframes selectionGrow {
    from {
        opacity: 0.5;
    }
    to {
        opacity: 1;
    }
}

/* Shift-hover overlay */
.shift-hover-overlay {
    background: transparent;
    transition: background 150ms ease;
}

body.shift-held .canvas-item:hover .shift-hover-overlay {
    /*background: rgba(16, 163, 127, 0.08);*/
    cursor: pointer;
}

/* Multiple items selected - stronger visual feedback */
.canvas-item.multi-selected:nth-child(odd) {
    animation-delay: 50ms;
}

.canvas-item.multi-selected:nth-child(even) {
    animation-delay: 100ms;
}

/* Dark theme multi-select adjustments */
body.dark-theme .canvas-item.multi-selected {
    border-color: var(--color-accent);
    /*background: rgba(25, 195, 125, 0.05);*/
}

body.dark-theme .selection-box {
    border-color: var(--color-accent);
    /*background: rgba(25, 195, 125, 0.1);*/
}

body.dark-theme .multi-select-overlay {
  /*  background: linear-gradient(135deg, 
        rgba(25, 195, 125, 0.08) 0%, 
        rgba(25, 195, 125, 0.03) 100%);*/
}

/* ========== SELECTION TOOLBAR ========== */
.selection-toolbar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

body.dark-theme .selection-toolbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.selection-toolbar button {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    font-size: 13px;
}

.selection-toolbar button:hover {
    background: var(--color-hover);
}

.selection-toolbar button.active {
    background: var(--color-accent);
    color: white;
}

.toolbar-separator {
    background: var(--color-border);
    opacity: 0.5;
}

/* ========== HELP MODAL ========== */
.help-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

body.dark-theme .help-modal {
    background: rgba(0, 0, 0, 0.6);
}

.help-modal.show {
    display: flex;
}

.help-modal-content {
    background: var(--color-surface);
    border-radius: 16px;
    max-width: 480px;
    width: 100%;
    max-height: 70vh;
    overflow-y: auto;
    padding: 24px;
    position: relative;
    animation: modalSlideIn 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.help-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 20px;
    color: var(--color-text);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.help-modal-close:hover {
    background: var(--color-hover);
    color: var(--color-fg);
}

.help-modal h2 {
    margin: 0 0 20px 0;
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.02em;
}

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

.help-section:last-child {
    margin-bottom: 0;
}

.help-section h3 {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 600;
}

.help-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.help-section li {
    padding: 6px 0;
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.5;
}

.help-section strong {
    color: var(--color-fg);
    font-weight: 500;
}

/* ========== MINIMAL SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 10px;
}

/* Modal scrollbar */
.help-modal-content::-webkit-scrollbar {
    width: 6px;
}

/* Remove all unnecessary shadows */
* {
    box-shadow: none !important;
}

/* Only allow specific shadows */
.selection-toolbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08) !important;
}

body.dark-theme .selection-toolbar {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3) !important;
}

.delete-btn {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1) !important;
}

/* Focus states */
:focus {
    outline: none;
}

/* Drag states */
.canvas-item.dragging {
    opacity: 0.8;
}

/* Checkboxes */
.checkbox-wrapper input[type="checkbox"] {
    accent-color: var(--color-accent);
}

/* Preparing to drag - subtle pulse */
.canvas-item.preparing-drag {
    animation: holdPulse 0.4s ease-in-out;
}

@keyframes holdPulse {
    0% {
        transform: scale(1);
        border-color: var(--color-border);
    }
    50% {
        transform: scale(0.95);
        border-color: var(--color-accent);
    }
    100% {
        transform: scale(1);
        border-color: var(--color-accent);
    }
}

/* Ready to drag - visual feedback */
.canvas-item.drag-ready {
    border-color: var(--color-accent);
    /*background: rgba(16, 163, 127, 0.02);*/
    /*transform: scale(0.98);*/
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dragging state */
.canvas-item.dragging {
    opacity: 0.85;
    /*transform: scale(0.98);*/
    transition: opacity 150ms ease;
    cursor: grabbing !important;
}

/* Release animation - snap back */
.canvas-item:not(.dragging):not(.preparing-drag):not(.drag-ready) {
    transition: transform 20ms cubic-bezier(0.4, 0, 0.2, 1),
                border-color 200ms ease,
                background 10s0ms ease;
}

/* Dark theme adjustments */
body.dark-theme .canvas-item.drag-ready {
    background: rgba(25, 195, 125, 0.03);
}

/* Prevent animation conflicts with multi-select */
.canvas-item.multi-selected.preparing-drag {
    animation: none;
}

.canvas-item.multi-selected.drag-ready {
    transform: scale(0.98);
}

/* Smooth cursor transitions */
.canvas-item {
    /*cursor: move;*/
}

.canvas-item.preparing-drag,
.canvas-item.drag-ready {
    cursor: grab;
}

.canvas-item.dragging {
    cursor: grabbing !important;
}


.embed-item .iframe-wrapper {
    /*position: relative;*/
    /*pointer-events: none; /* Disable iframe interaction by default */*/
}

.embed-item iframe {
    /*pointer-events: none; /* Disable iframe interaction by default */*/
}

/* Enable iframe interaction only when not hovering controls */
.embed-item:not(:hover) .iframe-wrapper,
.embed-item:not(:hover) iframe {
    /*pointer-events: auto;*/
}

/* Ensure controls are always interactive */
.embed-item .delete-btn,
.embed-item .resize-handle {
    /*pointer-events: auto !important;*/
}

/* Optional: Add a subtle overlay on hover to make controls more visible */
/*.embed-item:hover .iframe-wrapper::after {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.05);
    pointer-events: none;
    border-radius: var(--radius);
}*/

body.dark-theme .embed-item:hover .iframe-wrapper::after {
    background: rgba(255, 255, 255, 0.05);
}


.model-option.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    padding: 12px;
    text-align: center;
}

.model-dropdown:empty::after {
    content: 'No API keys configured';
    padding: 12px;
    color: #666;
    display: block;
    text-align: center;
}