:root {
    --bg: #0f1419;
    --panel: #1a1f2e;
    --panel-2: #232938;
    --border: #2a3142;
    --text: #e6e9ef;
    --text-dim: #9aa3b3;
    --accent: #5b8cff;
    --accent-2: #7c5cff;
    --success: #4ade80;
    --warn: #fbbf24;
    --error: #f87171;
    --code-bg: #0d1117;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
header {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}
header h1 {
    font-size: 16px;
    font-weight: 600;
}
header .ver {
    background: var(--accent);
    color: #fff;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
header .links { margin-left: auto; display: flex; gap: 8px; font-size: 12px; }
header .links a {
    color: var(--text-dim); text-decoration: none;
    padding: 4px 10px; border-radius: 4px; border: 1px solid var(--border);
}
header .links a:hover { color: var(--text); border-color: var(--accent); }

/* Layout */
.layout { display: flex; flex: 1; overflow: hidden; }

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    flex-shrink: 0;
}
.sidebar h2 {
    font-size: 11px;
    text-transform: uppercase;
    color: var(--text-dim);
    padding: 16px 16px 8px;
    letter-spacing: 0.5px;
}
.sidebar .nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    cursor: pointer;
    color: var(--text-dim);
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: all 0.15s;
}
.sidebar .nav-item:hover {
    background: var(--panel-2);
    color: var(--text);
}
.sidebar .nav-item.active {
    background: var(--panel-2);
    color: var(--text);
    border-left-color: var(--accent);
}
.sidebar .nav-item .icon { font-size: 18px; flex-shrink: 0; }
.sidebar .nav-item .desc { font-size: 11px; color: var(--text-dim); display: block; }

/* Main */
.main { flex: 1; overflow-y: auto; padding: 24px 32px; }
.scenario { display: none; max-width: 1200px; }
.scenario.active { display: block; }
.scenario h3 { font-size: 22px; margin-bottom: 4px; }
.scenario .sub { color: var(--text-dim); font-size: 13px; margin-bottom: 20px; }

/* Card */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 16px;
}
.card h4 {
    font-size: 13px;
    text-transform: uppercase;
    color: var(--text-dim);
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* Form */
label { display: block; font-size: 13px; color: var(--text-dim); margin: 8px 0 4px; }
input, textarea, select {
    width: 100%;
    background: var(--code-bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    font-family: inherit;
    font-size: 14px;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--accent);
}
textarea { resize: vertical; min-height: 80px; font-family: 'Consolas', 'Monaco', monospace; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }

/* Preset chips */
.presets {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 8px 0 12px;
}
.preset-chip {
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.15s;
    user-select: none;
}
.preset-chip:hover {
    background: var(--accent);
    border-color: var(--accent);
}
.preset-chip .tag {
    background: rgba(91, 140, 255, 0.2);
    color: var(--accent);
    padding: 1px 6px;
    border-radius: 8px;
    font-size: 10px;
    margin-right: 6px;
}
.preset-chip:hover .tag {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

/* Buttons */
button {
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}
button:hover { background: var(--accent-2); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: var(--panel-2); border: 1px solid var(--border); }
button.danger { background: var(--error); }

.actions { display: flex; gap: 8px; margin-top: 12px; align-items: center; }
.actions .spacer { flex: 1; }
.actions .status { font-size: 12px; color: var(--text-dim); }

/* Output */
.output {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 600px;
    overflow-y: auto;
    color: #c9d1d9;
}
.output.empty { color: var(--text-dim); font-style: italic; }
.output .err { color: var(--error); }
.output .ok  { color: var(--success); }

/* MCP tool list */
.tl-meta  { display:flex; align-items:baseline; gap:10px; margin-bottom:4px; font-family:'Consolas','Monaco',monospace; }
.tl-ok    { color:var(--success); font-weight:600; }
.tl-err   { color:var(--error);   font-weight:600; }
.tl-hint  { color:#c9d1d9; font-size:12px; }
.tl-sub   { font-size:11px; color:var(--text-dim); margin-bottom:8px; font-family:'Consolas','Monaco',monospace; }
.tl-count { font-size:11px; color:var(--text-dim); margin-bottom:4px; }

.tl-list {
    list-style: none; margin: 0; padding: 0;
    max-height: 400px; overflow-y: auto;
    border: 1px solid var(--border); border-radius: 4px;
}
.tl-item {
    padding: 8px 12px; border-bottom: 1px solid var(--border);
    display: grid; grid-template-columns: auto 1fr; gap: 3px 10px;
    align-items: baseline;
}
.tl-item:last-child { border-bottom: none; }
.tl-item:hover { background: rgba(255,255,255,0.04); }

.tl-name {
    font-family: 'Consolas','Monaco',monospace; font-size: 12px; font-weight: 600;
    color: var(--accent); white-space: nowrap; grid-row: 1;
}
.tl-title { font-size: 12px; color: #c9d1d9; grid-row: 1; }
.tl-desc  {
    grid-column: 1 / -1; margin: 2px 0 0; font-size: 11px;
    color: var(--text-dim); line-height: 1.5; white-space: pre-wrap;
    font-family: inherit;
}
.tl-params {
    grid-column: 1 / -1; font-size: 10px; color: var(--text-dim); font-style: italic;
}
.tl-raw { margin: 8px 0 0; white-space: pre-wrap; font-size: 11px; color: #c9d1d9; }

/* ─── Skill Manager (Phase A) ──────────────────────── */
.skills-tbl {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
}
.skills-tbl th, .skills-tbl td {
    text-align: left;
    padding: 6px 8px;
    border-bottom: 1px solid var(--border);
}
.skills-tbl th {
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    font-size: 10px;
    letter-spacing: 0.5px;
}
.skills-tbl tr:hover td { background: rgba(255,255,255,0.04); }
.skills-tbl td.skills-empty { color: var(--text-dim); font-style: italic; text-align: center; padding: 16px; }
.skills-tbl .skill-name {
    font-family: 'Consolas','Monaco',monospace;
    color: var(--accent);
    font-weight: 600;
}
.skills-tbl .skill-badge {
    display: inline-block;
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 10px;
    font-family: 'Consolas','Monaco',monospace;
    background: rgba(91,140,255,0.15);
    color: #c9d1d9;
}
.skills-tbl .skill-badge.system { background: rgba(251,191,36,0.18); color: #fbbf24; }
.skills-tbl .skill-badge.off    { background: rgba(154,163,179,0.18); color: var(--text-dim); }
.skills-tbl .skill-actions button {
    font-size: 11px;
    padding: 3px 8px;
    margin-right: 4px;
}

.skill-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px 14px;
}
.skill-form label {
    display: flex;
    flex-direction: column;
    font-size: 12px;
    color: var(--text-dim);
    gap: 3px;
}
.skill-form label.sf-row {
    flex-direction: row;
    align-items: center;
    gap: 8px;
    grid-column: 1 / -1;
}
.skill-form input[type="text"],
.skill-form input:not([type]),
.skill-form input[type="number"],
.skill-form select,
.skill-form textarea {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--code-bg);
    color: #c9d1d9;
    font-family: inherit;
    font-size: 12px;
}
.skill-form textarea {
    font-family: 'Consolas','Monaco',monospace;
    resize: vertical;
}
.skill-form label:has(textarea) {
    grid-column: 1 / -1;
}
.skill-form label.sf-full {
    grid-column: 1 / -1;
}

/* Checkbox group (internal plugins) */
.sf-chk-group {
    display: flex; flex-wrap: wrap; gap: 6px 12px;
    padding: 8px;
    border: 1px solid var(--border);
    border-radius: 4px;
    background: var(--code-bg);
}
.sf-chk-group label {
    display: inline-flex !important;
    flex-direction: row !important;
    align-items: center;
    gap: 4px;
    color: #c9d1d9;
    font-size: 12px;
    cursor: pointer;
}
.sf-chk-group.empty { color: var(--text-dim); font-style: italic; padding: 12px; }

/* MCP tool picker */
.sf-tool-picker {
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 8px;
    background: var(--code-bg);
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sf-tool-tags {
    display: flex; flex-wrap: wrap; gap: 4px;
    min-height: 22px;
}
.sf-tool-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 6px 2px 8px;
    background: rgba(91,140,255,0.15);
    color: #c9d1d9;
    border: 1px solid rgba(91,140,255,0.35);
    border-radius: 12px;
    font-family: 'Consolas','Monaco',monospace;
    font-size: 11px;
}
.sf-tool-tag.pattern {
    background: rgba(251,191,36,0.12);
    border-color: rgba(251,191,36,0.4);
}
.sf-tool-tag button {
    background: transparent;
    border: none;
    color: var(--text-dim);
    padding: 0 2px;
    cursor: pointer;
    font-size: 13px;
    line-height: 1;
}
.sf-tool-tag button:hover { color: var(--error); }

.sf-tool-controls {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 6px;
}
.sf-tool-search, .sf-tool-pattern {
    padding: 4px 8px !important;
    font-size: 12px !important;
}
.sf-tool-controls button {
    padding: 4px 10px;
    font-size: 11px;
}

.sf-tool-list {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 3px;
    background: rgba(0,0,0,0.2);
}
.sf-tool-list-row {
    padding: 4px 8px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 11px;
    cursor: pointer;
}
.sf-tool-list-row:hover { background: rgba(255,255,255,0.04); }
.sf-tool-list-row:last-child { border-bottom: none; }
.sf-tool-list-row input[type="checkbox"] {
    margin-top: 3px;
}
.sf-tool-list-row .nm {
    font-family: 'Consolas','Monaco',monospace;
    color: var(--accent);
    font-weight: 600;
    flex-shrink: 0;
}
.sf-tool-list-row .ds {
    color: var(--text-dim);
    flex: 1;
}
.sf-tool-list-empty {
    padding: 12px;
    text-align: center;
    color: var(--text-dim);
    font-style: italic;
    font-size: 11px;
}

.sf-tool-hint {
    font-size: 10px;
    color: var(--text-dim);
    font-style: italic;
}
.sf-tool-hint code {
    background: rgba(255,255,255,0.06);
    padding: 0 4px;
    border-radius: 2px;
    color: #c9d1d9;
}

@media (max-width: 768px) {
    .skill-form { grid-template-columns: 1fr; }
    .sf-tool-controls { grid-template-columns: 1fr; }
}

/* Meta */
.meta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--text-dim);
    padding: 8px 12px;
    background: var(--panel-2);
    border-radius: 4px;
    margin-top: 8px;
}
.meta b { color: var(--text); font-weight: 500; }

/* Status badge */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}
.badge.ok    { background: rgba(74, 222, 128, 0.15); color: var(--success); }
.badge.err   { background: rgba(248, 113, 113, 0.15); color: var(--error); }
.badge.warn  { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.badge.info  { background: rgba(91, 140, 255, 0.15); color: var(--accent); }

/* Streaming output */
.stream-log {
    font-family: 'Consolas', monospace;
    font-size: 12px;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    max-height: 400px;
    overflow-y: auto;
}
.stream-log .row {
    display: flex;
    gap: 8px;
    padding: 2px 0;
    align-items: flex-start;
}
.stream-log .ts { color: var(--text-dim); flex-shrink: 0; min-width: 70px; }
.stream-log .kind {
    flex-shrink: 0;
    min-width: 90px;
    font-weight: 500;
}
.stream-log .kind.delta { color: var(--accent); }
.stream-log .kind.chat  { color: var(--success); }
.stream-log .kind.tool  { color: var(--warn); }
.stream-log .kind.error { color: var(--error); }
.stream-log .kind.done  { color: var(--success); }
.stream-log .body { flex: 1; word-break: break-word; }

/* Audio player */
audio { width: 100%; margin-top: 8px; }

/* Settings panel (top common) */
.settings-bar {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 8px 32px;
    display: flex;
    gap: 16px;
    align-items: center;
    font-size: 12px;
    flex-shrink: 0;
}
.settings-bar label { display: inline; margin: 0 4px 0 0; }
.settings-bar input, .settings-bar select {
    padding: 4px 8px;
    font-size: 12px;
    width: auto;
    min-width: 120px;
}

/* Helper */
.hint { font-size: 11px; color: var(--text-dim); margin-top: 4px; font-style: italic; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; } }

/* ── Conversation Console (Module 1) ──────────────────────────────────── */
/*
 * Phase 4.B.7.2 — re-skinned for dark theme. Earlier light-cream assistant
 * background combined with body's --text (#e6e9ef, near-white) gave near-zero
 * contrast → operator could not read assistant replies. Now: dark panels with
 * accent-tinted left borders + light text. Markdown rendering added so headers,
 * lists, code blocks, and tables display properly when the LLM returns them.
 */
.convo-history {
    max-height: 480px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 12px;
    background: var(--panel);
    color: var(--text);
}
.convo-empty { color: var(--text-dim); font-style: italic; text-align: center; padding: 24px; }
.convo-turn {
    margin-bottom: 14px;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: var(--panel-2);
    color: var(--text);
    border-left: 3px solid transparent;
}
.convo-turn.user      { border-left-color: var(--accent);   background: rgba(91,140,255,0.08); }
.convo-turn.assistant { border-left-color: var(--warn);     background: rgba(251,191,36,0.06); }
.convo-turn.tool      { border-left-color: var(--text-dim); background: rgba(154,163,179,0.06); font-family: monospace; font-size: 12px; }
.convo-role {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}
.convo-role.user      { background: var(--accent);   color: #fff; }
.convo-role.assistant { background: var(--warn);     color: #1a1208; }
.convo-role.tool      { background: var(--text-dim); color: #0f1419; }
.convo-content {
    word-break: break-word;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text);
}
/* Plain-text fallback for unparsed (user prompt) content */
.convo-content.plain { white-space: pre-wrap; }
/* Markdown-rendered subtree */
.convo-md          { color: var(--text); }
.convo-md p        { margin: 0 0 8px 0; }
.convo-md p:last-child { margin-bottom: 0; }
.convo-md h1, .convo-md h2, .convo-md h3 {
    color: var(--text); margin: 10px 0 6px 0; font-weight: 700;
}
.convo-md h1 { font-size: 16px; border-bottom: 1px solid var(--border); padding-bottom: 4px; }
.convo-md h2 { font-size: 14px; }
.convo-md h3 { font-size: 13px; color: var(--accent); }
.convo-md ul, .convo-md ol { margin: 4px 0 8px 22px; }
.convo-md li { margin-bottom: 2px; }
.convo-md strong { color: #fff; font-weight: 700; }
.convo-md em     { color: var(--accent); font-style: italic; }
.convo-md code   {
    background: var(--code-bg); color: #ffd866;
    padding: 1px 6px; border-radius: 3px;
    font-family: 'Cascadia Code','Fira Code',Consolas,monospace; font-size: 12px;
    border: 1px solid var(--border);
}
.convo-md pre {
    background: var(--code-bg); color: #e6e9ef;
    padding: 10px 12px; border-radius: 6px;
    overflow-x: auto; margin: 8px 0;
    border: 1px solid var(--border);
    font-family: 'Cascadia Code','Fira Code',Consolas,monospace; font-size: 12px;
    line-height: 1.45;
}
.convo-md pre code { background: transparent; border: 0; padding: 0; color: inherit; }
.convo-md a { color: var(--accent); text-decoration: underline; }
.convo-md a:hover { color: var(--accent-2); }
.convo-md table {
    border-collapse: collapse; margin: 8px 0; width: 100%;
    font-size: 12px;
}
.convo-md th, .convo-md td {
    padding: 6px 10px; border: 1px solid var(--border);
    text-align: left; vertical-align: top; color: var(--text);
}
.convo-md th { background: var(--code-bg); font-weight: 700; color: var(--accent); }
.convo-md tr:nth-child(even) td { background: rgba(255,255,255,0.02); }
.convo-md blockquote {
    border-left: 3px solid var(--accent);
    padding: 4px 12px; margin: 8px 0;
    background: rgba(91,140,255,0.06); color: var(--text-dim);
}
.convo-md hr { border: 0; border-top: 1px solid var(--border); margin: 10px 0; }
.convo-meta { font-size: 11px; color: var(--text-dim); margin-top: 6px; }
.convo-tools-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
    font-size: 11px;
    font-family: monospace;
    color: var(--text);
}
.convo-tools-table th, .convo-tools-table td {
    padding: 4px 8px;
    border: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}
.convo-tools-table th { background: var(--code-bg); font-weight: 600; color: var(--accent); }
.convo-tools-table td.mut { color: var(--error); font-weight: 600; }
.convo-tools-table td.ok  { color: var(--success); }
.convo-tools-table td pre {
    margin: 0; max-height: 160px; overflow: auto; font-size: 11px;
    color: var(--text);
    background: var(--code-bg);
    padding: 4px;
    border-radius: 3px;
}

/* ── Auth bar (Phase 4.B.7+ — header Login/Logout) ─────────────── */
.auth-bar {
    display: flex; align-items: center; gap: 8px;
    padding-left: 12px; border-left: 1px solid var(--border); margin-left: 8px;
}
.auth-pill {
    padding: 4px 10px; border-radius: 12px; font-size: 12px; font-weight: 500;
    user-select: none;
}
.auth-pill.auth-anon { background: #4b5563; color: #e5e7eb; }
.auth-pill.auth-user { background: #0a7d2c; color: #fff; }
.auth-pill.auth-error { background: #c62828; color: #fff; }
.auth-btn {
    padding: 5px 12px; border-radius: 6px; border: none;
    background: #0366d6; color: #fff; font-size: 12px; font-weight: 500;
    cursor: pointer;
}
.auth-btn:hover  { background: #0258ba; }
.auth-btn-secondary { background: #57606a; }
.auth-btn-secondary:hover { background: #424a53; }
.auth-config { gap: 8px; flex-wrap: wrap; }
.auth-config label { font-weight: 500; color: #57606a; }

/* Per-scenario auth context pill (small badge in scenario header) */
.scenario-auth-badge {
    display: inline-block; margin-left: 12px;
    padding: 2px 8px; border-radius: 10px;
    font-size: 11px; font-weight: 500;
    vertical-align: middle;
}
.scenario-auth-badge.user    { background: #d1fae5; color: #065f46; border: 1px solid #34d399; }
.scenario-auth-badge.service { background: #fef3c7; color: #92400e; border: 1px solid #fcd34d; }

/* ────────────────────────────────────────────────────────────────────────
 * Phase 5.A — Mobile responsive
 *
 * Three breakpoints:
 *   <= 1024px (tablet portrait + small laptop): sidebar collapses to drawer
 *   <= 768px  (large phone): header wraps, settings-bar wraps, main padding shrinks
 *   <= 480px  (small phone): minimal padding, font-size adjusted, single-col grids
 *
 * Sidebar drawer: a `#sidebar-toggle` button (hamburger ☰) is rendered in
 * header on mobile only. Clicking it toggles `body.sidebar-open` which
 * slides the sidebar in from the left + dims the main content. Click outside
 * or any nav-item to close.
 * ──────────────────────────────────────────────────────────────────────── */

/* Hamburger always rendered in HTML; hidden on desktop, shown on mobile */
.sidebar-toggle {
    display: none;
    background: var(--panel-2);
    border: 1px solid var(--border);
    color: var(--text);
    cursor: pointer;
    font-size: 18px;
    padding: 6px 12px;
    border-radius: 4px;
    margin-right: 8px;
}

@media (max-width: 1024px) {
    /* Header: shrink padding + show hamburger */
    header { padding: 8px 12px; gap: 8px; flex-wrap: wrap; }
    header h1 { font-size: 14px; }
    header .ver { font-size: 10px; }
    .sidebar-toggle { display: inline-flex; align-items: center; }

    /* Sidebar: convert to slide-in drawer */
    .layout { position: relative; }
    .sidebar {
        position: fixed;
        top: 0; left: 0;
        height: 100vh;
        width: 240px;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        box-shadow: 4px 0 12px rgba(0,0,0,0.4);
    }
    body.sidebar-open .sidebar { transform: translateX(0); }

    /* Backdrop dim while drawer is open */
    body.sidebar-open::before {
        content: "";
        position: fixed; inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 999;
    }
    /* Main: take full width (sidebar overlays) */
    .main { padding: 16px 16px; }
    .scenario { max-width: 100%; }
    .scenario h3 { font-size: 18px; }

    /* Settings bar: wrap chips onto multiple lines */
    .settings-bar { padding: 8px 12px; flex-wrap: wrap; row-gap: 6px; }
    .settings-bar input, .settings-bar select { min-width: 100px; }

    /* Auth bar in header */
    .auth-bar {
        margin-left: 0;
        padding-left: 0;
        border-left: none;
        order: 99;        /* push to end */
        width: 100%;      /* second line */
        flex-wrap: wrap;
        justify-content: flex-end;
    }
    .auth-pill { font-size: 11px; max-width: 100%; }
    header .links { font-size: 11px; flex-wrap: wrap; }
}

@media (max-width: 768px) {
    header h1 { font-size: 13px; }
    header .links { display: none; } /* hide Basic/Health/Metrics on tight phones */
    .main { padding: 12px 10px; }
    .card { padding: 12px; }
    .scenario h3 { font-size: 17px; }
    .scenario .sub { font-size: 12px; margin-bottom: 12px; }
    textarea, input[type="text"], input[type="password"], select {
        font-size: 16px;   /* prevent iOS zoom on focus */
    }
    .actions { flex-wrap: wrap; gap: 6px; }
    .actions button { font-size: 13px; padding: 8px 12px; }
    /* Output blocks: smaller max-height so they don't dominate the screen */
    .output { max-height: 320px; font-size: 12px; padding: 10px; }
    .meta { gap: 8px; font-size: 11px; }
    /* Convo history compress */
    .convo-history { max-height: 380px; padding: 8px; }
    .convo-turn { padding: 8px 10px; }
    .convo-content { font-size: 12px; }
    /* Tables in markdown — allow horizontal scroll */
    .convo-md table { display: block; overflow-x: auto; max-width: 100%; }
    /* Tools table - collapse args/result columns more aggressively */
    .convo-tools-table { font-size: 10px; }
    .convo-tools-table td pre { max-height: 100px; }
    /* Split grid → 1 col */
    .split { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    header { padding: 6px 8px; }
    header h1 { font-size: 12px; }
    header .ver { display: none; }
    .auth-pill { font-size: 10px; padding: 2px 6px; }
    .auth-btn { font-size: 11px; padding: 4px 8px; }
    .settings-bar { font-size: 11px; padding: 6px 8px; }
    .settings-bar input, .settings-bar select { font-size: 12px; min-width: 80px; }
    .settings-bar strong { display: none; } /* "Common:" / "OAuth:" labels eat width */
    .main { padding: 8px 6px; }
    .card { padding: 10px; border-radius: 4px; }
    .scenario h3 { font-size: 15px; }
    h4 { font-size: 13px; }
    .preset-chip { font-size: 11px; padding: 3px 6px; }
    .preset-chip .tag { display: none; }  /* preset chips compact */
    /* Auth bar very compact */
    .auth-bar { gap: 4px; }
    .auth-bar .auth-btn-secondary { padding: 3px 6px; }
    /* Convo history tighter */
    .convo-history { max-height: 320px; padding: 6px; }
    .convo-meta { font-size: 10px; }
    .convo-role { font-size: 9px; padding: 1px 6px; }
    /* Diag override grid → 1 col */
    #sc-diag-override [style*="grid-template-columns:1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════════════
   Skill Chatbox widget (skills-chatbox.js)
   Position: fixed bottom-right, like the real embed widget.
═══════════════════════════════════════════════════════════════════════════ */

.skc-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 420px;
    height: 600px;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0,0,0,0.6);
    display: flex;
    flex-direction: column;
    z-index: 9000;
    overflow: hidden;
    transition: opacity 0.2s, transform 0.2s;
}
.skc-widget.skc-closed {
    opacity: 0;
    pointer-events: none;
    transform: translateY(16px) scale(0.97);
}

/* Header */
.skc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: var(--panel-2);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.skc-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 220px;
}
.skc-hbtns { display: flex; gap: 4px; }
.skc-hbtn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: 6px;
    padding: 4px 8px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
    width: auto;
}
.skc-hbtn:hover { background: var(--panel); color: var(--text); border-color: var(--accent); }
.skc-hbtn:disabled { opacity: 0.4; cursor: default; }
.skc-hbtn.recording { color: var(--error); border-color: var(--error); animation: skc-pulse 1s infinite; }
@keyframes skc-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Settings panel */
.skc-cfg-panel {
    background: var(--code-bg);
    border-bottom: 1px solid var(--border);
    padding: 10px 14px;
    flex-shrink: 0;
}
.skc-cfg-row { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.skc-cfg-row:last-child { margin-bottom: 0; }
.skc-cfg-row label { font-size: 11px; color: var(--text-dim); min-width: 60px; flex-shrink: 0; margin: 0; }
.skc-cfg-row input, .skc-cfg-row select { flex: 1; margin: 0; font-size: 12px; padding: 4px 8px; }

/* Messages */
.skc-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}
.skc-messages::-webkit-scrollbar { width: 4px; }
.skc-messages::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

/* Bubbles */
.skc-bubble { max-width: 94%; display: flex; flex-direction: column; gap: 4px; }
.skc-bubble-user { align-self: flex-end; align-items: flex-end; }
.skc-bubble-assistant { align-self: flex-start; align-items: flex-start; }

.skc-bubble-content {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}
.skc-bubble-user .skc-bubble-content {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.skc-bubble-assistant .skc-bubble-content { border-bottom-left-radius: 4px; }
.skc-bubble-err .skc-bubble-content { border-color: var(--error); }
.skc-err-text { color: var(--error); }

.skc-bubble-meta {
    font-size: 10px;
    color: var(--text-dim);
    padding: 0 4px;
}
.skc-img-thumb {
    max-width: 180px;
    max-height: 120px;
    border-radius: 8px;
    border: 1px solid var(--border);
    object-fit: cover;
}

/* Typing indicator */
.skc-typing-indicator {
    padding: 10px 14px;
    display: flex;
    gap: 4px;
    align-items: center;
}
.skc-typing-indicator span {
    width: 6px; height: 6px;
    background: var(--text-dim);
    border-radius: 50%;
    animation: skc-bounce 1.2s infinite;
}
.skc-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.skc-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes skc-bounce { 0%,60%,100% { transform: translateY(0); } 30% { transform: translateY(-6px); } }

/* Tool call cards */
.skc-tools-wrap { display: flex; flex-direction: column; gap: 4px; width: 100%; }
.skc-tool-card {
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    font-size: 12px;
    width: 100%;
}
.skc-tool-card.expanded { border-color: var(--accent-2); }
.skc-tc-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 10px;
    cursor: pointer;
    user-select: none;
}
.skc-tc-header:hover { background: var(--panel-2); }
.skc-tc-name { flex: 1; font-family: 'Consolas','Monaco',monospace; color: var(--accent); }
.skc-tc-badge { border-radius: 4px; padding: 1px 6px; font-size: 11px; font-weight: 600; }
.skc-tc-ok  { background: rgba(74,222,128,0.15); color: var(--success); }
.skc-tc-err { background: rgba(248,113,113,0.15); color: var(--error); }
.skc-tc-dur { font-size: 10px; color: var(--text-dim); }
.skc-tc-toggle {
    background: none; border: none; color: var(--text-dim);
    cursor: pointer; font-size: 10px; padding: 0 4px;
    width: auto;
}
.skc-tc-body { padding: 0 10px 8px; border-top: 1px solid var(--border); }
.skc-tc-section { margin-top: 8px; }
.skc-tc-label { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: 4px; }
.skc-tc-pre {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 6px 8px;
    font-size: 11px;
    font-family: 'Consolas','Monaco',monospace;
    white-space: pre-wrap;
    word-break: break-all;
    max-height: 180px;
    overflow-y: auto;
    color: var(--text);
}

/* Thinking block */
.skc-thinking {
    background: rgba(124,92,255,0.08);
    border: 1px solid var(--accent-2);
    border-radius: 8px;
    width: 100%;
    font-size: 12px;
}
.skc-thinking summary {
    padding: 6px 10px;
    cursor: pointer;
    color: var(--accent-2);
    font-weight: 500;
    list-style: none;
}
.skc-thinking summary::-webkit-details-marker { display: none; }
.skc-thinking-pre {
    padding: 6px 10px 8px;
    font-family: 'Consolas','Monaco',monospace;
    font-size: 11px;
    white-space: pre-wrap;
    color: var(--text-dim);
    max-height: 200px;
    overflow-y: auto;
    border-top: 1px solid var(--border);
}

/* Status bar */
.skc-status {
    padding: 5px 14px;
    font-size: 11px;
    color: var(--text-dim);
    background: var(--code-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    min-height: 22px;
    flex-shrink: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.skc-status-ok   { color: var(--success); }
.skc-status-warn { color: var(--warn); }
.skc-status-err  { color: var(--error); }

/* Input area */
.skc-input-wrap {
    padding: 10px 12px;
    background: var(--panel-2);
    border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.skc-attach-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    padding: 6px 10px;
    background: var(--code-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
}
.skc-attach-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    font-size: 12px;
    color: var(--text-dim);
    overflow: hidden;
}
.skc-attach-thumb {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border);
    flex-shrink: 0;
}
.skc-input-row {
    display: flex;
    align-items: flex-end;
    gap: 6px;
}
.skc-ibtn { flex-shrink: 0; padding: 6px 8px; }
.skc-send-btn { background: var(--accent) !important; color: #fff !important; border-color: var(--accent) !important; }
.skc-send-btn:hover { background: var(--accent-2) !important; border-color: var(--accent-2) !important; }
#skc-input {
    flex: 1;
    resize: none;
    min-height: 38px;
    max-height: 120px;
    font-size: 13px;
    padding: 8px 10px;
    border-radius: 8px;
}

/* Skill-launch card (replaces old form in scenario sections) */
.skill-launch-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    text-align: center;
    gap: 16px;
}
.skill-launch-btn {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 10px;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}
.skill-launch-btn:hover { background: var(--accent-2); transform: translateY(-1px); }
.skill-launch-note { font-size: 12px; color: var(--text-dim); }

/* Mobile adjustments */
@media (max-width: 600px) {
    .skc-widget { width: 100%; right: 0; bottom: 0; border-radius: 16px 16px 0 0; height: 85vh; }
}