/* ============================================================
   Tool Cards — Chat Tab Agent Backend (Phase 2)
   ============================================================ */

.tool-card {
    background: var(--bg-secondary, #1e1e2e);
    border: 1px solid var(--border-color, #3a3a50);
    border-radius: 12px;
    margin: 10px 0;
    overflow: hidden;
}

.tool-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: var(--bg-tertiary, #2a2a3e);
    border-bottom: 1px solid var(--border-color, #3a3a50);
    font-weight: 600;
    font-size: 14px;
}

.tool-card-icon { font-size: 16px; }

.tool-card-title {
    color: var(--text-primary, #e0e0e8);
    flex: 1;
}

.tool-card-body {
    padding: 12px 14px;
}

.tool-card-kv {
    display: flex;
    justify-content: space-between;
    padding: 4px 0;
    border-bottom: 1px solid var(--border-color, #3a3a50);
    font-size: 13px;
}

.tool-card-kv:last-child { border-bottom: none; }

.tool-card-kv-label {
    color: var(--text-secondary, #a0a0b8);
}

.tool-card-kv-value {
    color: var(--text-primary, #e0e0e8);
    font-weight: 500;
    text-align: right;
}

.tool-card-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin: 8px 0;
}

.tool-card-table th {
    background: var(--bg-tertiary, #2a2a3e);
    color: var(--text-secondary, #a0a0b8);
    padding: 6px 8px;
    text-align: left;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color, #3a3a50);
}

.tool-card-table td {
    padding: 5px 8px;
    color: var(--text-primary, #e0e0e8);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.tool-card-table tr:hover td {
    background: rgba(255,255,255,0.03);
}

.tool-card-collapsible { margin-top: 8px; }

.tool-card-collapsible-toggle {
    cursor: pointer;
    color: var(--accent-color, #6366f1);
    font-size: 12px;
    padding: 4px 0;
    user-select: none;
}

.tool-card-collapsible-toggle:hover { text-decoration: underline; }

.tool-card-collapsible.collapsed .tool-card-collapsible-body {
    display: none;
}

.tool-card-collapsible:not(.collapsed) .tool-card-collapsible-toggle::before {
    content: '▼ ';
}

.tool-card-collapsible.collapsed .tool-card-collapsible-toggle::before {
    content: '▶ ';
}

.tool-card-pre,
.tool-card-json {
    background: var(--bg-tertiary, #2a2a3e);
    border-radius: 6px;
    padding: 10px;
    font-size: 11px;
    color: var(--text-secondary, #a0a0b8);
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
    margin: 6px 0;
}

.tool-card-pre.error {
    color: #f87171;
    border-left: 3px solid #f87171;
}

.tool-card-note {
    font-size: 12px;
    color: var(--text-secondary, #a0a0b8);
    padding: 6px 0;
    font-style: italic;
}

.tool-card-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary, #a0a0b8);
    padding: 6px 0 2px;
}

.tool-card-label.error { color: #f87171; }

.tool-card-events {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.tool-card-event-tag {
    background: var(--accent-color, #6366f1);
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    white-space: nowrap;
}

.tool-card-tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    margin: 6px 0;
}

.tool-card-tag-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary, #a0a0b8);
    min-width: 40px;
}

.tool-card-tag {
    background: var(--bg-tertiary, #2a2a3e);
    color: var(--text-primary, #e0e0e8);
    padding: 3px 10px;
    border-radius: 10px;
    font-size: 12px;
    border: 1px solid var(--border-color, #3a3a50);
}

.tool-card-tag.clickable {
    cursor: pointer;
    transition: all 0.2s;
}

.tool-card-tag.clickable:hover {
    background: var(--accent-color, #6366f1);
    color: #fff;
    border-color: var(--accent-color, #6366f1);
}

.tool-card-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color, #3a3a50);
}

.web-search-link {
    display: block;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    text-decoration: none;
    transition: background 0.15s;
}

.web-search-link:last-child { border-bottom: none; }
.web-search-link:hover { background: rgba(255,255,255,0.03); }

.web-search-title {
    color: var(--accent-color, #6366f1);
    font-size: 13px;
    font-weight: 500;
}

.web-search-snippet {
    color: var(--text-secondary, #a0a0b8);
    font-size: 12px;
    margin-top: 2px;
    line-height: 1.4;
}

.web-fetch-url {
    display: inline-block;
    color: var(--accent-color, #6366f1);
    font-size: 12px;
    margin-bottom: 8px;
    word-break: break-all;
}

.question-card-text {
    font-size: 14px;
    color: var(--text-primary, #e0e0e8);
    margin-bottom: 12px;
    line-height: 1.5;
}

.question-card-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 12px;
}

.question-card-btn {
    background: var(--bg-tertiary, #2a2a3e);
    color: var(--text-primary, #e0e0e8);
    border: 1px solid var(--border-color, #3a3a50);
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.question-card-btn:hover {
    background: var(--accent-color, #6366f1);
    color: #fff;
    border-color: var(--accent-color, #6366f1);
}

.question-card-btn.selected {
    background: var(--accent-color, #6366f1);
    color: #fff;
    border-color: var(--accent-color, #6366f1);
}

.question-card-btn:disabled {
    opacity: 0.5;
    cursor: default;
}

.question-card-input-row {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.question-card-input {
    flex: 1;
    background: var(--bg-tertiary, #2a2a3e);
    border: 1px solid var(--border-color, #3a3a50);
    border-radius: 8px;
    padding: 8px 12px;
    color: var(--text-primary, #e0e0e8);
    font-size: 13px;
    outline: none;
}

.question-card-input:focus {
    border-color: var(--accent-color, #6366f1);
}

.question-card-submit {
    background: var(--accent-color, #6366f1);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    font-size: 13px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.question-card-submit:hover { opacity: 0.85; }
.question-card-submit:disabled { opacity: 0.5; cursor: default; }