/* ============================================
   BOOTSTRAP 5 LAYOUT GENERATOR - STYLES
   ============================================ */

/* CSS Variables for Dark Mode */
:root {
    --bg-primary: #f4f4f4;
    --bg-secondary: #ffffff;
    --bg-sidebar: #f8f9fa;
    --text-primary: #212529;
    --text-muted: #6c757d;
    --border-color: #dee2e6;
    --shadow-color: rgba(0,0,0,0.05);
    --canvas-bg: #f4f4f4;
    --component-bg: rgba(13, 110, 253, 0.05);
    --component-hover: rgba(13, 110, 253, 0.1);
}

[data-bs-theme="dark"] {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-sidebar: #0f0f23;
    --text-primary: #e4e4e7;
    --text-muted: #a1a1aa;
    --border-color: #3f3f46;
    --shadow-color: rgba(0,0,0,0.3);
    --canvas-bg: #1a1a2e;
    --component-bg: rgba(99, 102, 241, 0.1);
    --component-hover: rgba(99, 102, 241, 0.2);
}

body, html {
    height: auto; 
    overflow-y: auto;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    padding-top: 56px; /* Compensate for fixed navbar */
}

/* ============================================
   NAVBAR & TOOLBAR
   ============================================ */
.navbar.sticky-top {
    z-index: 1030;
}

.toolbar-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.responsive-btn.active {
    background-color: #0d6efd !important;
    border-color: #0d6efd !important;
    color: white !important;
}

/* ============================================
   FIXED SIDEBAR
   ============================================ */
.sticky-sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    width: 16.666667%;
    height: calc(100vh - 56px); 
    overflow-y: auto;
    z-index: 100;
    box-shadow: 2px 0 5px var(--shadow-color);
    background-color: var(--bg-sidebar);
    transition: background-color 0.3s;
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .sticky-sidebar {
        width: 25%;
    }
}

/* ============================================
   CANVAS AREA
   ============================================ */
.canvas-area {
    margin-left: 16.666667% !important;
    transition: width 0.3s;
}

@media (min-width: 768px) and (max-width: 991.98px) {
    .canvas-area {
        margin-left: 25% !important;
    }
}

.canvas-wrapper {
    display: flex;
    justify-content: center;
    padding: 20px;
    background-color: var(--bg-primary);
    min-height: calc(100vh - 56px);
    transition: background-color 0.3s;
}

#canvas {
    width: 100%;
    max-width: 100%;
    transition: max-width 0.3s ease, box-shadow 0.3s;
}

/* Responsive Preview Styles */
.canvas-wrapper.tablet-view #canvas {
    max-width: 768px;
    box-shadow: 0 0 30px rgba(0,0,0,0.2);
    border-radius: 8px;
}

.canvas-wrapper.mobile-view #canvas {
    max-width: 375px;
    box-shadow: 0 0 30px rgba(0,0,0,0.2);
    border-radius: 8px;
}

/* Search input in sidebar */
.search-input {
    width: 100px;
}

/* ============================================
   DRAGGABLE ITEMS
   ============================================ */
.draggable-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 10px;
    margin-bottom: 8px;
    cursor: grab;
    border-radius: 4px;
    transition: all 0.2s;
    color: var(--text-primary);
}

.draggable-item:hover {
    background: var(--component-hover);
    border-color: #0d6efd;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.draggable-item.hidden {
    display: none;
}

/* ============================================
   BUILDER CANVAS
   ============================================ */
.builder-area {
    min-height: calc(100vh - 116px);
    height: auto;
    background-color: var(--bg-secondary);
    transition: background-color 0.3s;
    padding-bottom: 300px !important;
    position: relative;
}

.builder-area .row {
    min-height: 50px;
    background-color: rgba(108, 117, 125, 0.1);
    border: 2px dashed #6c757d;
    padding: 15px;
    margin-bottom: 15px;
    position: relative;
    transition: all 0.2s;
}

/* Nested rows - Level 2 (row inside col) */
.builder-area .row .row {
    background-color: rgba(13, 110, 253, 0.1);
    border-color: #0d6efd;
}

/* Nested rows - Level 3 */
.builder-area .row .row .row {
    background-color: rgba(25, 135, 84, 0.1);
    border-color: #198754;
}

/* Nested rows - Level 4 */
.builder-area .row .row .row .row {
    background-color: rgba(220, 53, 69, 0.1);
    border-color: #dc3545;
}

.builder-area .row:hover,
.builder-area .container:hover {
    border-color: #0d6efd;
}

.builder-area .row::before {
    content: 'Row';
    position: absolute;
    top: -10px;
    left: 5px;
    background: #6c757d;
    color: #fff;
    font-size: 10px;
    padding: 2px 5px;
    border-radius: 2px;
}

/* Nested row labels */
.builder-area .row .row::before {
    content: 'Row (L2)';
    background: #0d6efd;
}

.builder-area .row .row .row::before {
    content: 'Row (L3)';
    background: #198754;
}

.builder-area .row .row .row .row::before {
    content: 'Row (L4)';
    background: #dc3545;
}

.builder-area [class*="col-"] {
    min-height: 40px;
    border: 1px dotted #0d6efd;
    padding: 10px; 
    background-color: var(--component-bg);
    transition: all 0.2s;
    position: relative;
}

.builder-area [class*="col-"]:hover {
    background-color: var(--component-hover);
}

/* Dropzone feedback */
.sortable-ghost {
    opacity: 0.5;
    background: #c8ebfb;
}

/* ============================================
   SNAPPING GUIDES
   ============================================ */
.snap-guide-v, .snap-guide-h {
    position: absolute;
    background-color: #0d6efd;
    z-index: 1000;
    pointer-events: none;
    display: none;
}

.snap-guide-v {
    width: 2px;
    height: 100%;
    top: 0;
}

.snap-guide-h {
    height: 2px;
    width: 100%;
    left: 0;
}

.snap-guide-v.show, .snap-guide-h.show {
    display: block;
}

/* ============================================
   CONTEXT MENU
   ============================================ */
.context-menu {
    position: fixed;
    z-index: 10000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    box-shadow: 0 4px 12px var(--shadow-color);
    padding: 8px 0;
    min-width: 150px;
    display: none;
}

.context-menu.show {
    display: block;
}

.context-menu-item {
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: background 0.15s;
}

.context-menu-item:hover {
    background: var(--component-hover);
}

.context-menu-item.text-danger:hover {
    background: rgba(220, 53, 69, 0.1);
}

/* ============================================
   DELETE BUTTON
   ============================================ */
.delete-btn {
    display: none;
    position: absolute;
    top: 2px;
    right: 2px;
    background: #dc3545;
    color: white;
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    border-radius: 3px;
    cursor: pointer;
    font-size: 12px;
    z-index: 10;
}

.builder-area .row:hover > .delete-btn,
.builder-area .container:hover > .delete-btn,
.builder-area [class*="col-"]:hover > .delete-btn,
.builder-area .target-component:hover > .delete-btn {
    display: block;
}

/* ============================================
   COMPONENT WRAPPER
   ============================================ */
.target-component {
    position: relative;
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.target-component:hover {
    border: 1px dashed #0d6efd;
}

.target-component.selected {
    border: 2px solid #0d6efd;
    background: var(--component-hover);
}

/* Editable content */
.editable-text {
    cursor: text;
    outline: none;
    min-width: 20px;
    min-height: 1em;
}

.editable-text:focus {
    background: rgba(255, 255, 200, 0.3);
    box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.25);
}

/* ============================================
   SIDEBAR ACCORDION COLORS
   ============================================ */
.accordion-button-grid {
    background-color: #0d6efd;
    color: white;
}
.accordion-button-grid::after {
    filter: brightness(0) invert(1);
}
.accordion-button-grid:not(.collapsed) {
    background-color: #0b5ed7;
    color: white;
}

.accordion-button-content {
    background-color: #198754;
    color: white;
}
.accordion-button-content::after {
    filter: brightness(0) invert(1);
}
.accordion-button-content:not(.collapsed) {
    background-color: #157347;
    color: white;
}

.accordion-button-forms {
    background-color: #ffc107;
    color: #000;
}
.accordion-button-forms:not(.collapsed) {
    background-color: #ffca2c;
    color: #000;
}

.accordion-button-ui {
    background-color: #0dcaf0;
    color: #000;
}
.accordion-button-ui:not(.collapsed) {
    background-color: #3dd5f3;
    color: #000;
}

.accordion-button-icons {
    background-color: #6f42c1;
    color: white;
}
.accordion-button-icons::after {
    filter: brightness(0) invert(1);
}
.accordion-button-icons:not(.collapsed) {
    background-color: #59359a;
    color: white;
}

.accordion-button-templates {
    background-color: #fd7e14;
    color: white;
}
.accordion-button-templates::after {
    filter: brightness(0) invert(1);
}
.accordion-button-templates:not(.collapsed) {
    background-color: #e96b02;
    color: white;
}

/* ============================================
   PREVIEW MODE
   ============================================ */
.preview-mode .builder-area {
    background-color: #fff;
}

.preview-mode .builder-area .row {
    border: none !important;
    background-color: transparent !important;
    padding: 0 !important; 
    margin-bottom: 0; 
}

.preview-mode .builder-area .row::before {
    display: none;
}

.preview-mode .builder-area [class*="col-"] {
    border: none !important;
    background-color: transparent !important;
    padding-left: calc(var(--bs-gutter-x) * .5); 
    padding-right: calc(var(--bs-gutter-x) * .5);
}

.preview-mode .empty-canvas-msg {
    display: none;
}

.preview-mode .delete-btn {
    display: none !important;
}

.preview-mode .target-component:hover {
    border: none;
}

.preview-mode .snap-guide-v,
.preview-mode .snap-guide-h {
    display: none !important;
}

/* ============================================
   MODAL STYLING
   ============================================ */
#exportModal textarea {
    font-family: monospace;
    font-size: 0.9em;
}

/* ============================================
   ICON DISPLAY
   ============================================ */
.icon-display {
    font-size: 2rem;
    color: var(--text-primary);
}

.icon-display.small { font-size: 1rem; }
.icon-display.medium { font-size: 2rem; }
.icon-display.large { font-size: 3rem; }
.icon-display.xlarge { font-size: 4rem; }

/* ============================================
   DARK MODE SPECIFIC
   ============================================ */
[data-bs-theme="dark"] .accordion-button {
    color: inherit;
}

[data-bs-theme="dark"] .navbar {
    background-color: #0f0f23 !important;
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .input-group-text {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

[data-bs-theme="dark"] .builder-area .row::before {
    background: #4b5563;
}

/* ============================================
   SCROLLBAR STYLING
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 767.98px) {
    .sticky-sidebar {
        position: relative;
        width: 100%;
        height: auto;
        top: 0;
    }
    
    .canvas-area {
        margin-left: 0 !important;
    }
    
    .toolbar-center {
        display: none;
    }
}

/* ============================================
   SIDEBAR FOOTER LINKS
   ============================================ */
.sidebar-footer {
    background-color: var(--bg-secondary);
}

.footer-link {
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
    font-size: 0.875rem;
}

.footer-link:hover {
    background: var(--component-hover);
    color: #0d6efd !important;
    transform: translateX(4px);
}

.footer-link i {
    transition: transform 0.2s ease;
}

.footer-link:hover i {
    transform: scale(1.1);
}

.footer-link span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

[data-bs-theme="dark"] .sidebar-footer {
    background-color: var(--bg-sidebar);
    border-color: var(--border-color) !important;
}

[data-bs-theme="dark"] .footer-link:hover {
    color: #6ea8fe !important;
}