/* General Body & Font Styles */
body {
    font-family: 'Inter', sans-serif;
    /* Use Bootstrap's variables for theme-aware colors */
    background-color: var(--bs-body-bg);
    color: var(--bs-body-color);
}

.card {
    border: 1px solid var(--bs-border-color);
}

/* --- Header & Branding --- */
.app-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--bs-border-color);
    background-color: var(--bs-tertiary-bg);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.app-logo {
    width: 32px;
    height: 32px;
    fill: currentColor; /* Allows the logo to change color with the theme */
    transition: transform 0.3s ease;
}

.navbar-brand:hover .app-logo {
    transform: rotate(15deg);
}

/* --- Toolbox --- */
.toolbox-item {
    cursor: grab;
    background-color: var(--bs-tertiary-bg);
    border: 1px solid var(--bs-border-color);
    margin-bottom: 10px;
    font-weight: 500;
}
.toolbox-item:active {
    cursor: grabbing;
}

/* --- Canvas & Tree Structure --- */
.canvas-area {
    min-height: 60vh;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 1rem;
}

.canvas-area > .tree-node {
    flex-basis: calc(50% - 0.5rem);
    flex-grow: 1;
    min-width: 0; /* Prevents content overflow from breaking the layout */
}

/* STYLES FOR LABELED NODES */
.tree-node {
    position: relative;
    padding-top: 10px;
    margin-bottom: 5px;
}
.node-container-box {
    border: 1px solid var(--bs-border-color);
    border-radius: 0.375rem;
    padding: 0.5rem;
}
.node-label-header {
    position: absolute;
    top: 0;
    left: 10px;
    width: auto;
    padding: 0 5px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--bs-secondary-color);
    background-color: var(--bs-body-bg);
}
.tree-node.selected .node-container-box {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 1px var(--bs-primary-border-subtle);
}
.tree-node .node-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: none;
    padding: 0;
    cursor: pointer;
}
.node-label {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.node-actions {
    flex-shrink: 0;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
    padding-left: 15px;
}
.tree-node:hover .node-actions {
    opacity: 1;
}
.action-icon {
    cursor: pointer;
    margin-left: 8px;
    font-size: 1.1rem;
}
.action-icon:hover {
    filter: brightness(1.5);
}

.tree-node .node-children {
    list-style-type: none;
    padding-left: 30px;
    margin-top: 5px;
    border-left: 2px dashed var(--bs-border-color);
    min-height: 20px;
}

.ad-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    border-left: none;
    margin-top: 1rem;
    width: 100%;
}

.sortable-ghost {
    background: #0d6efd !important;
    opacity: 0.4;
}

/* --- Inspector --- */
#inspector-form-view label {
    font-weight: 500;
    margin-top: 10px;
    margin-bottom: 5px;
}
#inspector-form-view .form-control {
    background-color: var(--bs-tertiary-bg);
    border-color: var(--bs-border-color);
}

/* Inline Edit Input */
.inline-edit-input {
    width: 100%;
    background-color: var(--bs-secondary-bg);
    color: var(--bs-body-color);
    border: 1px solid var(--bs-primary);
    border-radius: 3px;
    padding: 2px 5px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
}

/* --- Inspector Character Counter --- */
.char-counter {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--bs-secondary-color);
    margin-left: 8px;
}

.char-counter.is-warning {
    color: #ffc107;
}

.char-counter.is-error {
    color: #dc3545;
}

/* Gives the field number a consistent width for alignment */
.field-number {
    width: 28px;
    text-align: right;
    margin-right: 8px;
    flex-shrink: 0;
}

/* --- Sidebar Accordion --- */
.accordion {
    --bs-accordion-border-radius: var(--bs-border-radius);
    --bs-accordion-inner-border-radius: calc(var(--bs-border-radius) - var(--bs-accordion-border-width));
}
.accordion-item {
    background-color: var(--bs-body-bg);
}
.accordion-button {
    font-weight: 500;
}
.accordion-button:not(.collapsed) {
    background-color: var(--bs-tertiary-bg);
}
.accordion-body {
    padding: 1rem;
}