/* =============================================================================
   Prompt Templates Panel Styles (WP03 — Atlas Codex)
   Scoped to #prompt-templates-mount.
   Consistent with the Atlas design system (uses CSS variables from styles.css).
   ============================================================================= */

/* ── Layout: two-pane editor / preview ───────────────────────────────────── */

.prompt-layout {
    display: flex;
    gap: 1.25rem;
    height: 100%;
    min-height: 0;
}

/* Left column: list of templates */
.prompt-list-col {
    flex: 0 0 260px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    overflow-y: auto;
    border-right: 1px solid var(--color-border, #e5e7eb);
    padding-right: 1rem;
}

/* Right column: editor + preview */
.prompt-editor-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 0;
}

/* ── List header (Add button) ─────────────────────────────────────────────── */

.prompt-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
    margin-bottom: 0.25rem;
}

.prompt-list-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-muted, #6b7280);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ── List rows ────────────────────────────────────────────────────────────── */

#prompt-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    flex: 1;
    overflow-y: auto;
}

.prompt-list-row {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0.55rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.12s, border-color 0.12s;
    font-size: 0.875rem;
    text-align: left;
    background: none;
    width: 100%;
    color: var(--color-text-primary, #111827);
}

.prompt-list-row:hover {
    background: var(--color-primary-bg, #eff6ff);
    border-color: var(--color-border, #e5e7eb);
}

.prompt-list-row.active {
    background: var(--color-primary-bg, #eff6ff);
    border-color: var(--color-primary, #2563eb);
}

[data-theme="dark"] .prompt-list-row:hover,
[data-theme="dark"] .prompt-list-row.active {
    background: rgba(59, 130, 246, 0.1);
    border-color: var(--color-primary, #3b82f6);
}

.prompt-row-mnemonic {
    font-family: var(--font-mono, 'DM Mono', monospace);
    font-size: 0.78rem;
    color: var(--color-primary, #2563eb);
    font-weight: 500;
}

.prompt-row-title {
    color: var(--color-text-secondary, #374151);
    font-size: 0.83rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

[data-theme="dark"] .prompt-row-title {
    color: var(--color-text-secondary-dark, #d1d5db);
}

/* ── Editor pane ──────────────────────────────────────────────────────────── */

.prompt-editor-pane {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.prompt-field-row {
    display: flex;
    gap: 0.75rem;
}

.prompt-field-row .form-group {
    flex: 1;
}

.prompt-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.prompt-form-group label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-secondary, #374151);
}

.prompt-form-group input[type="text"] {
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--color-border, #d1d5db);
    border-radius: 5px;
    font-size: 0.875rem;
    color: var(--color-text-primary, #111827);
    background: var(--color-surface, #ffffff);
    transition: border-color 0.15s, box-shadow 0.15s;
    width: 100%;
    box-sizing: border-box;
}

.prompt-form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--color-primary, #2563eb);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.prompt-form-group input[readonly] {
    background: var(--color-background, #f9fafb);
    cursor: not-allowed;
    color: var(--color-text-muted, #6b7280);
}

[data-theme="dark"] .prompt-form-group input[type="text"] {
    background: var(--color-surface-dark, #1f2937);
    border-color: var(--color-border-dark, #374151);
    color: var(--color-text-primary-dark, #f3f4f6);
}

/* ── Dual-pane: textarea + preview ──────────────────────────────────────── */

.prompt-content-row {
    display: flex;
    gap: 0.75rem;
    flex: 1;
    min-height: 0;
}

.prompt-content-label-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--color-text-secondary, #374151);
    margin-bottom: 0.3rem;
}

.prompt-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 280px;
}

.prompt-pane-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted, #9ca3af);
    padding: 0.4rem 0.75rem;
    background: var(--color-background, #f9fafb);
    border: 1px solid var(--color-border, #d1d5db);
    border-bottom: none;
    border-radius: 5px 5px 0 0;
}

#prompt-content {
    flex: 1;
    resize: none;
    padding: 0.65rem 0.75rem;
    font-family: var(--font-mono, 'DM Mono', monospace);
    font-size: 0.82rem;
    line-height: 1.55;
    border: 1px solid var(--color-border, #d1d5db);
    border-radius: 0 0 5px 5px;
    color: var(--color-text-primary, #111827);
    background: var(--color-surface, #ffffff);
    transition: border-color 0.15s;
    box-sizing: border-box;
    width: 100%;
    min-height: 260px;
}

#prompt-content:focus {
    outline: none;
    border-color: var(--color-primary, #2563eb);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.12);
}

[data-theme="dark"] #prompt-content {
    background: var(--color-surface-dark, #1f2937);
    border-color: var(--color-border-dark, #374151);
    color: var(--color-text-primary-dark, #f3f4f6);
}

/* ── Markdown Preview pane ────────────────────────────────────────────────── */

.prompt-preview-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-border, #d1d5db);
    border-radius: 5px;
    overflow: hidden;
    background: var(--color-surface, #ffffff);
    min-height: 280px;
}

[data-theme="dark"] .prompt-preview-pane {
    background: var(--color-surface-dark, #1f2937);
    border-color: var(--color-border-dark, #374151);
}

.prompt-preview-header {
    padding: 0.4rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted, #9ca3af);
    background: var(--color-background, #f9fafb);
    border-bottom: 1px solid var(--color-border, #d1d5db);
    flex-shrink: 0;
}

[data-theme="dark"] .prompt-preview-header {
    background: var(--color-background-dark, #111827);
    border-color: var(--color-border-dark, #374151);
}

#prompt-preview {
    flex: 1;
    overflow-y: auto;
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    line-height: 1.65;
    color: var(--color-text-primary, #111827);
}

[data-theme="dark"] #prompt-preview {
    color: var(--color-text-primary-dark, #f3f4f6);
}

/* Markdown rendered elements inside the preview */
#prompt-preview h1,
#prompt-preview h2,
#prompt-preview h3,
#prompt-preview h4,
#prompt-preview h5,
#prompt-preview h6 {
    font-weight: 600;
    margin: 0.8em 0 0.35em;
    line-height: 1.3;
}
#prompt-preview h1 { font-size: 1.45em; }
#prompt-preview h2 { font-size: 1.25em; }
#prompt-preview h3 { font-size: 1.1em; }
#prompt-preview h4 { font-size: 1em; }
#prompt-preview h5, #prompt-preview h6 { font-size: 0.9em; }

#prompt-preview p {
    margin: 0.5em 0;
}

#prompt-preview ul, #prompt-preview ol {
    margin: 0.5em 0;
    padding-left: 1.6em;
}

#prompt-preview li {
    margin: 0.2em 0;
}

#prompt-preview code {
    font-family: var(--font-mono, 'DM Mono', monospace);
    font-size: 0.85em;
    background: var(--color-background, #f3f4f6);
    padding: 1px 5px;
    border-radius: 4px;
    border: 1px solid var(--color-border, #e5e7eb);
}

[data-theme="dark"] #prompt-preview code {
    background: rgba(255,255,255,0.08);
    border-color: var(--color-border-dark, #374151);
}

#prompt-preview pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 0.85rem 1rem;
    border-radius: 6px;
    overflow-x: auto;
    margin: 0.6em 0;
    font-size: 0.82em;
    line-height: 1.5;
}

#prompt-preview pre code {
    background: none;
    border: none;
    padding: 0;
    color: inherit;
    font-size: 1em;
}

#prompt-preview blockquote {
    border-left: 3px solid var(--color-primary, #2563eb);
    margin: 0.5em 0;
    padding: 0.3em 0.85em;
    color: var(--color-text-muted, #6b7280);
    background: var(--color-primary-bg, #eff6ff);
    border-radius: 0 4px 4px 0;
}

[data-theme="dark"] #prompt-preview blockquote {
    background: rgba(59,130,246,0.08);
}

#prompt-preview hr {
    border: none;
    border-top: 1px solid var(--color-border, #e5e7eb);
    margin: 0.75em 0;
}

#prompt-preview a {
    color: var(--color-primary, #2563eb);
    text-decoration: underline;
}

#prompt-preview strong { font-weight: 600; }
#prompt-preview em { font-style: italic; }

/* ── Action bar ───────────────────────────────────────────────────────────── */

.prompt-actions {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--color-border, #e5e7eb);
    flex-wrap: wrap;
}

#prompt-msg {
    flex: 1;
    font-size: 0.82rem;
    min-height: 1.1rem;
    color: var(--color-text-muted, #6b7280);
}

#prompt-msg.success { color: var(--color-success, #16a34a); }
#prompt-msg.error   { color: var(--color-error, #dc2626); }

/* ── Empty / loading states ──────────────────────────────────────────────── */

.prompt-empty {
    color: var(--color-text-muted, #9ca3af);
    font-size: 0.85rem;
    font-style: italic;
    padding: 0.5rem 0;
}

.prompt-loading {
    color: var(--color-text-muted, #9ca3af);
    font-size: 0.85rem;
    padding: 0.5rem 0;
}

.prompt-preview-placeholder {
    color: var(--color-text-muted, #9ca3af);
    font-style: italic;
    font-size: 0.85rem;
}

/* ── Responsive: collapse to single column on narrow viewports ───────────── */

@media (max-width: 860px) {
    .prompt-layout {
        flex-direction: column;
    }

    .prompt-list-col {
        flex: none;
        border-right: none;
        border-bottom: 1px solid var(--color-border, #e5e7eb);
        padding-right: 0;
        padding-bottom: 0.75rem;
        max-height: 200px;
    }

    .prompt-content-row {
        flex-direction: column;
    }
}