/* Collections Editor Styles */

.collections-editor {
    display: flex;
    width: 100%;
    height: 100%;
    overflow: hidden;
    flex-direction: row;
}

/* ── Left: CSV panel ───────────────────────────────────── */
.csv-panel {
    width: 340px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
    overflow: hidden;
}

/* Collection tabs */
.collection-tabs-bar {
    display: flex;
    gap: 2px;
    padding: 0.4rem 0.5rem;
    background: var(--color-bg-tertiary);
    border-bottom: 1px solid var(--color-border);
    overflow-x: auto;
    flex-shrink: 0;
    align-items: center;
    flex-wrap: nowrap;
}

.collection-tab {
    padding: 0.25rem 0.6rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    font-size: 0.7rem;
    cursor: pointer;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    transition: border-color 0.1s, background 0.1s;
}
.collection-tab:hover  { border-color: var(--color-text-secondary); }
.collection-tab.active { border-color: var(--color-text-accent); color: var(--color-text-accent); background: rgba(255,255,0,0.04); }
.collection-tab-close  { color: var(--color-text-error); font-size: 0.75rem; opacity: 0.5; }
.collection-tab:hover .collection-tab-close { opacity: 1; }

/* CSV toolbar */
.csv-toolbar {
    display: flex;
    gap: 0.3rem;
    padding: 0.35rem 0.5rem;
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* CSV table */
.csv-wrap {
    flex: 1;
    overflow: auto;
}

#coll-csv-table {
    border-collapse: collapse;
    font-size: 0.75rem;
    min-width: 100%;
    font-family: var(--font-family);
}
#coll-csv-table th {
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    padding: 0.3rem 0.4rem;
    position: sticky;
    top: 0;
    z-index: 2;
    white-space: nowrap;
}
#coll-csv-table td {
    border: 1px solid rgba(127,127,127,0.2);
    padding: 0;
}
#coll-csv-table tr:hover td { background: rgba(255,255,255,0.03); }

#coll-csv-table td input {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--color-text-primary);
    padding: 0.3rem 0.4rem;
    font-family: var(--font-family);
    font-size: 0.75rem;
    min-width: 60px;
}
#coll-csv-table td input:focus { outline: none; background: rgba(255,255,0,0.04); }

.csv-row-num {
    color: var(--color-text-secondary);
    background: var(--color-bg-tertiary) !important;
    padding: 0.3rem 0.4rem;
    font-size: 0.65rem;
    text-align: right;
    min-width: 28px;
    user-select: none;
    border: 1px solid rgba(127,127,127,0.2);
}

.csv-col-header {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    min-width: 70px;
}
.csv-col-header input {
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    font-size: 0.7rem;
    font-weight: bold;
    text-transform: uppercase;
    min-width: 50px;
    flex: 1;
    padding: 0.15rem;
}
.csv-col-header input:focus { outline: none; color: var(--color-text-accent); }

.csv-col-del {
    color: var(--color-text-error);
    opacity: 0.3;
    cursor: pointer;
    font-size: 0.65rem;
}
.csv-col-del:hover { opacity: 1; }

/* ── Center: Card layout + preview ─────────────────────── */
.card-layout-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--color-border);
}

.preview-section {
    display: flex;
    flex-direction: column;
    height: 220px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--color-border);
}

.layout-divider {
    height: 1px;
    background: var(--color-border);
    flex-shrink: 0;
}

.card-layout-wrap {
    flex: 1;
    display: flex;
    overflow: hidden;
}

/* Card canvas */
.card-canvas-outer {
    flex: 1;
    overflow: auto;
    background: var(--color-bg-tertiary);
    background-image:
        linear-gradient(to right, rgba(127,127,127,0.1) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(127,127,127,0.1) 1px, transparent 1px);
    position: relative;
    display: flex;
    align-items: flex-start;
    padding: 1.5rem;
}

#card-canvas {
    position: relative;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    flex-shrink: 0;
}

/* ── Right: Template editor ────────────────────────────── */
.template-panel {
    width: 280px;
    flex-shrink: 0;
    display: flex;
    flex-direction: row;
    border-right: none;
    overflow: visible;
}

.template-panel.collapsed {
    width: 24px;
}

.panel-collapse-toggle {
    width: 24px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    cursor: pointer;
    user-select: none;
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    transition: background 0.1s;
}

.panel-collapse-toggle:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text-primary);
}

.template-editor-body {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.template-editor-body .form-group { margin: 0; }

#coll-template {
    flex: 1;
    min-height: 160px;
    resize: vertical;
    font-size: 0.72rem;
    line-height: 1.5;
    font-family: var(--font-family);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    padding: 0.5rem;
}
#coll-template:focus { outline: none; border-color: var(--color-text-accent); }

.template-hint {
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}
.template-hint code {
    color: var(--color-text-accent);
    font-family: var(--font-family);
}

/* Substitution list */
.sub-list { display: flex; flex-direction: column; gap: 2px; }
.sub-row {
    display: flex;
    gap: 0.3rem;
    align-items: center;
    font-size: 0.72rem;
}
.sub-row input {
    flex: 1;
    padding: 0.2rem 0.3rem;
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 0.72rem;
    min-width: 0;
}
.sub-row input:focus { outline: none; border-color: var(--color-text-accent); }
.sub-del {
    color: var(--color-text-error);
    cursor: pointer;
    opacity: 0.5;
    flex-shrink: 0;
    font-size: 0.7rem;
}
.sub-del:hover { opacity: 1; }

/* Card layout elements */
.card-el {
    position: absolute;
    border: 1px solid rgba(127,127,127,0.4);
    overflow: hidden;
    cursor: move;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    text-align: center;
    user-select: none;
    transition: border-color 0.1s;
    background: rgba(255,255,255,0.02);
}
.card-el:hover    { border-color: var(--color-text-secondary); }
.card-el.selected { border-color: var(--color-text-accent); background: rgba(255,255,0,0.05); }
.card-el-label {
    pointer-events: none;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding: 0.1rem 0.2rem;
    font-size: 0.6rem;
    color: var(--color-text-accent);
    text-transform: uppercase;
}
.card-el-resize {
    position: absolute;
    bottom: 0; right: 0;
    width: 10px; height: 10px;
    cursor: se-resize;
    background: linear-gradient(135deg, transparent 40%, var(--color-border) 40%);
}
.card-el.selected .card-el-resize {
    background: linear-gradient(135deg, transparent 40%, var(--color-text-accent) 40%);
}

/* Card element inspector */
.card-inspector {
    width: 180px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    overflow: hidden;
}
.card-inspector .panel-body { display: flex; flex-direction: column; gap: 0.5rem; }

/* Preview row */
.preview-bar {
    border-bottom: 1px solid var(--color-border);
    padding: 0.4rem 0.75rem;
    background: var(--color-bg-secondary);
    font-size: 0.65rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.3rem;
    flex-shrink: 0;
}

.preview-scroll {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    display: flex;
    gap: 0.75rem;
    padding: 0.75rem;
    background: #111;
}

.preview-card-frame {
    flex-shrink: 0;
    background: white;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-border);
}