/* AI & LLM tool pages. Uses the design tokens from tokens.css. */

.content-wrapper { padding: 2rem; max-width: none; }
@media (max-width: 768px) { .content-wrapper { padding: 1rem; } }

.ai-breadcrumb {
    display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center;
    font-size: var(--text-sm); color: var(--text-tertiary); margin-bottom: 0.75rem;
}
.ai-breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.ai-breadcrumb a:hover { color: var(--text-accent); text-decoration: underline; }

.panel-content { padding: 0; display: flex; flex-direction: column; }
.ai-textarea {
    flex: 1; min-height: 420px; width: 100%; resize: vertical; box-sizing: border-box;
    padding: 1rem; border: none; outline: none; font-family: var(--font-mono);
    font-size: 0.85rem; line-height: 1.6; background: var(--surface-primary); color: var(--text-primary);
}
.ai-textarea::placeholder { color: var(--text-tertiary); }
.ai-textarea.drag-over { outline: 2px dashed var(--border-focus); outline-offset: -6px; }
.ai-textarea--short { min-height: 260px; }
@media (max-width: 768px) { .ai-textarea { min-height: 260px; } }

.ai-hint { font-size: var(--text-xs); color: var(--text-tertiary); padding: 0.4rem 1rem; border-top: 1px solid var(--border-primary); }
.ai-hint kbd, .ai-kbd {
    font-family: var(--font-mono); font-size: 0.7rem; padding: 0.05rem 0.35rem;
    border: 1px solid var(--border-primary); border-bottom-width: 2px; border-radius: var(--radius-sm);
    background: var(--surface-secondary); color: var(--text-secondary);
}

.tool-option-group input[type="text"],
.tool-option-group input[type="number"],
.tool-option-group select {
    min-height: 36px; padding: 0.35rem 0.6rem; border: 1px solid var(--border-primary);
    border-radius: var(--radius-md); background: var(--surface-primary); color: var(--text-primary);
    font-size: var(--text-sm);
}
.tool-option-group input[type="text"] { min-width: 12rem; }
.tool-option-group input[type="number"] { width: 7rem; }
.tool-option-group label { font-size: var(--text-sm); color: var(--text-secondary); }
.ai-option-wide { flex: 1 1 100%; }
.ai-option-wide textarea {
    width: 100%; box-sizing: border-box; min-height: 2.6rem; padding: 0.5rem 0.6rem; resize: vertical;
    border: 1px solid var(--border-primary); border-radius: var(--radius-md);
    background: var(--surface-primary); color: var(--text-primary); font: inherit; font-size: var(--text-sm);
}

#errorBanner {
    display: none; align-items: flex-start; gap: 0.5rem; margin: 0.75rem 1rem 0;
    padding: 0.65rem 0.9rem; border-radius: var(--radius-lg); font-size: var(--text-sm);
    background: var(--color-error-bg); color: var(--color-error-text); border: 1px solid var(--color-error-border);
}

/* Result summary under the workspace */
.ai-report {
    margin-top: 1rem; padding: 1rem 1.25rem; border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg); background: var(--surface-primary);
}
.ai-report:empty { display: none; }
.ai-report h2 { font-size: var(--text-base); margin: 0 0 0.5rem; }
.ai-report ul { margin: 0; padding-left: 1.2rem; color: var(--text-secondary); font-size: var(--text-sm); line-height: 1.7; }
.ai-report p { margin: 0.25rem 0; color: var(--text-secondary); font-size: var(--text-sm); }
.ai-stat-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.5rem; }
.ai-stat {
    display: inline-flex; gap: 0.35rem; align-items: baseline; padding: 0.3rem 0.65rem;
    border-radius: var(--radius-full); background: var(--surface-tertiary); font-size: var(--text-sm); color: var(--text-secondary);
}
.ai-stat strong { color: var(--text-primary); font-variant-numeric: tabular-nums; }
.ai-stat--ok { background: var(--color-success-bg); color: var(--color-success-text); }
.ai-stat--warn { background: var(--color-warning-bg); color: var(--color-warning-text); }

/* Token comparison table */
.ai-table-wrap { overflow-x: auto; }
.ai-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); }
.ai-table th, .ai-table td { text-align: left; padding: 0.55rem 0.75rem; border-bottom: 1px solid var(--border-primary); white-space: nowrap; }
.ai-table th { color: var(--text-tertiary); font-weight: var(--font-medium); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.ai-table td.num, .ai-table th.num { text-align: right; font-variant-numeric: tabular-nums; }
.ai-table tbody tr { cursor: pointer; }
.ai-table tbody tr:hover { background: var(--surface-secondary); }
.ai-table tbody tr.is-selected { background: var(--surface-tertiary); }
.ai-table .ai-bar { display: inline-block; height: 6px; border-radius: 3px; background: var(--primary-color); vertical-align: middle; margin-left: 0.5rem; opacity: 0.7; }
.ai-badge {
    display: inline-block; margin-left: 0.4rem; padding: 0.05rem 0.45rem; border-radius: var(--radius-full);
    font-size: 0.7rem; font-weight: var(--font-semibold); background: var(--color-success-bg); color: var(--color-success-text);
}
.ai-note { font-size: var(--text-xs); color: var(--text-tertiary); margin-top: 0.6rem; line-height: 1.6; }

/* Long-form content */
.ai-content { margin-top: 3rem; max-width: 72rem; }
.ai-content h2 { margin: 2rem 0 0.75rem; }
.ai-content p, .ai-content li { color: var(--text-secondary); line-height: 1.7; }
.ai-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; padding: 0; list-style: none; counter-reset: step; }
.ai-steps li {
    counter-increment: step; position: relative; padding: 1rem 1rem 1rem 3rem;
    border: 1px solid var(--border-primary); border-radius: var(--radius-lg); background: var(--surface-primary);
}
.ai-steps li::before {
    content: counter(step); position: absolute; left: 1rem; top: 1rem; width: 1.5rem; height: 1.5rem;
    border-radius: 50%; background: var(--surface-tertiary); color: var(--text-accent);
    font-size: var(--text-xs); font-weight: var(--font-bold); display: flex; align-items: center; justify-content: center;
}
.ai-steps strong { color: var(--text-primary); display: block; margin-bottom: 0.2rem; }
.ai-content pre {
    background: var(--surface-secondary); border: 1px solid var(--border-primary); border-radius: var(--radius-lg);
    padding: 0.9rem 1rem; overflow-x: auto; font-size: 0.8rem; line-height: 1.55;
}
.ai-faq-item { border-bottom: 1px solid var(--border-primary); padding: 0.85rem 0; }
.ai-faq-item summary { cursor: pointer; font-weight: var(--font-semibold); color: var(--text-primary); }
.ai-faq-item p { margin: 0.5rem 0 0; }

.ai-related { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; margin-top: 0.75rem; }
.ai-related a {
    display: block; padding: 0.9rem 1rem; border: 1px solid var(--border-primary); border-radius: var(--radius-lg);
    text-decoration: none; background: var(--surface-primary); transition: border-color var(--transition-fast);
}
.ai-related a:hover, .ai-related a:focus-visible { border-color: var(--border-focus); }
.ai-related strong { display: block; color: var(--text-primary); font-size: var(--text-sm); }
.ai-related span { color: var(--text-tertiary); font-size: var(--text-xs); }

@media (max-width: 768px) {
    /* Clear the fixed hamburger button in the top-left corner */
    .ai-breadcrumb { padding-left: 3.75rem; min-height: 44px; }
    /* Stack each option's label above its control */
    .tool-option-group { flex-direction: column; align-items: stretch; gap: 0.3rem; width: 100%; }
    .tool-option-group input[type="text"], .tool-option-group select { width: 100%; min-width: 0; }
    .ai-hint { display: none; }
}

.panel-toolbar-title select {
    margin-left: 0.4rem; min-height: 30px; padding: 0.2rem 0.5rem; text-transform: none; letter-spacing: normal;
    border: 1px solid var(--border-primary); border-radius: var(--radius-md);
    background: var(--surface-primary); color: var(--text-primary); font-size: var(--text-sm); font-weight: var(--font-medium);
}