/* Captain Claw Web UI - Dark Theme */

:root {
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #21262d;
    --bg-hover: #30363d;
    --bg-active: #388bfd26;
    --border: #30363d;
    --border-light: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #6e7681;
    --accent: #58a6ff;
    --accent-hover: #79c0ff;
    --accent-subtle: #388bfd26;
    --orange: #f78166;
    --green: #3fb950;
    --red: #f85149;
    --yellow: #d29922;
    --purple: #bc8cff;
    --user-bg: #1a3a5c;
    --assistant-bg: #1c2128;
    --monitor-bg: #0a0f14;
    --monitor-text: #7ee787;
    --radius: 8px;
    --radius-sm: 4px;
    --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', Menlo, Consolas, monospace;
    --header-height: 48px;
    --input-height: 120px;
    --sidebar-width: max(420px, 40vw);
}

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

html, body {
    height: 100%;
    overflow: hidden;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 14px;
    line-height: 1.5;
}

/* ─── Header ─────────────────────────────────────────── */

#header {
    height: var(--header-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 10;
}

.header-left, .header-center, .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo {
    font-weight: 700;
    font-size: 15px;
    letter-spacing: -0.3px;
    color: var(--text-primary);
    white-space: nowrap;
    text-decoration: none;
}
.logo:hover { color: var(--accent); }

.divider {
    width: 1px;
    height: 20px;
    background: var(--border);
}

.session-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: var(--radius);
    font-size: 13px;
    cursor: pointer;
    transition: background 0.15s;
}
.session-badge:hover { background: var(--bg-hover); }
.session-icon { color: var(--green); font-size: 8px; }

.model-selector-wrap {
    position: relative;
}

.model-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--accent-subtle);
    border: 1px solid var(--accent);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--accent);
    font-family: var(--font-mono);
    cursor: pointer;
    transition: all 0.15s;
}
.model-badge:hover {
    background: rgba(56, 139, 253, 0.2);
    border-color: var(--accent-hover);
}
.model-caret {
    font-size: 10px;
    opacity: 0.7;
}

/* ─── Model Dropdown ─────────────────────────────────── */

.model-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 280px;
    max-width: 400px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    z-index: 40;
    overflow: hidden;
    animation: dropdownFadeIn 0.15s ease;
}
.model-dropdown.hidden { display: none; }
@keyframes dropdownFadeIn {
    from { opacity: 0; transform: translateX(-50%) translateY(-4px); }
    to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

.model-dropdown-empty {
    padding: 12px 16px;
    color: var(--text-muted);
    font-size: 13px;
    text-align: center;
}

.model-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.1s;
    font-size: 13px;
}
.model-option:last-child { border-bottom: none; }
.model-option:hover { background: var(--bg-hover); }
.model-option.active {
    background: var(--accent-subtle);
}

.model-option-name {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-primary);
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.model-option.active .model-option-name {
    color: var(--accent);
    font-weight: 600;
}
.model-option-desc {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
}
.model-option-type {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-tertiary, rgba(255,255,255,0.06));
    padding: 1px 6px;
    border-radius: 3px;
    white-space: nowrap;
    flex-shrink: 0;
}
.model-option-check {
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

/* ─── Playbook Selector ─────────────────────────────── */

.playbook-selector-wrap {
    position: relative;
}

.playbook-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: rgba(63, 185, 80, 0.08);
    border: 1px solid rgba(63, 185, 80, 0.4);
    border-radius: var(--radius);
    font-size: 12px;
    color: var(--green);
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.15s;
}
.playbook-badge:hover {
    background: rgba(63, 185, 80, 0.16);
    border-color: rgba(63, 185, 80, 0.6);
}
.playbook-icon {
    font-size: 13px;
}

.playbook-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 280px;
    max-width: 400px;
    max-height: 400px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    z-index: 40;
    overflow-x: hidden;
    animation: dropdownFadeIn 0.15s ease;
}
.playbook-dropdown.hidden { display: none; }

.playbook-dropdown .pd-section-label {
    padding: 8px 14px 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
}

.playbook-dropdown .model-option-name {
    font-family: var(--font);
}

/* ─── Persona Selector ──────────────────────────────── */

.persona-selector-wrap {
    position: relative;
}

.persona-badge {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    background: rgba(139, 92, 246, 0.08);
    border: 1px solid rgba(139, 92, 246, 0.4);
    border-radius: var(--radius);
    font-size: 12px;
    color: rgb(139, 92, 246);
    font-family: var(--font);
    cursor: pointer;
    transition: all 0.15s;
}
.persona-badge:hover {
    background: rgba(139, 92, 246, 0.16);
    border-color: rgba(139, 92, 246, 0.6);
}
.persona-icon {
    font-size: 13px;
}

.persona-dropdown {
    position: absolute;
    top: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    min-width: 260px;
    max-width: 360px;
    max-height: 360px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    z-index: 40;
    overflow-x: hidden;
    animation: dropdownFadeIn 0.15s ease;
}
.persona-dropdown.hidden { display: none; }

.persona-dropdown .model-option-name {
    font-family: var(--font);
}

.persona-name-wrap {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.persona-name-text {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.persona-source-tag {
    display: inline-flex;
    align-items: center;
    flex-shrink: 0;
    padding: 1px 6px;
    border-radius: 999px;
    border: 1px solid rgba(42, 171, 238, 0.55);
    background: rgba(42, 171, 238, 0.14);
    color: #62c6ff;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.04em;
    line-height: 1.4;
    text-transform: uppercase;
}

.persona-dropdown .pd-section-label {
    padding: 8px 14px 4px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border-light);
}

.persona-dropdown .pd-create-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    color: var(--accent);
    transition: background 0.1s;
}
.persona-dropdown .pd-create-btn:hover {
    background: var(--bg-hover);
}

/* ─── Persona create inline form ──────────────────── */

.pd-create-form {
    padding: 10px 14px;
    border-top: 1px solid var(--border-light);
}
.pd-create-form input,
.pd-create-form textarea {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 6px;
    padding: 6px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 12px;
}
.pd-create-form textarea {
    resize: vertical;
    min-height: 40px;
}
.pd-create-form .pd-form-actions {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
    margin-top: 4px;
}
.pd-create-form .pd-form-actions button {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.pd-create-form .pd-form-actions button.primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    transition: background 0.3s;
}
.status-dot.ready { background: var(--green); }
.status-dot.thinking { background: var(--yellow); animation: pulse 1s infinite; }
.status-dot.streaming { background: var(--accent); animation: pulse 0.5s infinite; }
.status-dot.error { background: var(--red); }

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.icon-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
    font-family: var(--font);
}
.icon-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* ─── Main Layout ────────────────────────────────────── */

#main {
    height: calc(100vh - var(--header-height));
    display: flex;
    flex-direction: column;
}

/* ─── Tools Bar ─────────────────────────────────────── */

.tools-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    flex-shrink: 0;
}

.tools-bar-label {
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}

.tools-list {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.tool-chip {
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    white-space: nowrap;
}

.skill-chip {
    color: var(--purple);
    border-color: var(--purple);
    background: rgba(188, 140, 255, 0.08);
}

.tools-empty {
    font-size: 11px;
    color: var(--text-muted);
    font-style: italic;
}



#panes {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
}

/* ─── Chat Pane ──────────────────────────────────────── */

#chatPane {
    flex: 6;
    display: flex;
    flex-direction: column;
    min-width: 300px;
    border-right: 1px solid var(--border);
    position: relative;
}

.pane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
    font-size: 12px;
    min-height: 36px;
}
.pane-title {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-size: 11px;
}
.pane-hint {
    color: var(--text-muted);
    font-size: 11px;
}
.pane-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}
.pane-btn:hover { color: var(--text-secondary); background: var(--bg-hover); }

.messages-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    scroll-behavior: smooth;
}

/* ─── Chat Messages ──────────────────────────────────── */

.msg {
    max-width: 85%;
    margin-bottom: 20px;
    animation: fadeIn 0.25s ease;
    position: relative;
}
.msg-copy-btn {
    position: absolute;
    top: 0;
    right: 0;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 13px;
    padding: 2px 4px;
    opacity: 0;
    transition: opacity 0.15s;
    line-height: 1;
}
.msg:hover .msg-copy-btn {
    opacity: 0.5;
}
.msg-copy-btn:hover {
    opacity: 1 !important;
}
.msg-feedback {
    display: flex;
    gap: 4px;
    margin-top: 4px;
    opacity: 0;
    transition: opacity 0.15s;
}
.msg:hover .msg-feedback,
.msg-feedback:has(.active) {
    opacity: 1;
}
.msg-fb-btn {
    background: none;
    border: 1px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    padding: 2px 6px;
    opacity: 0.4;
    transition: opacity 0.15s, border-color 0.15s;
    line-height: 1;
}
.msg-fb-btn:hover {
    opacity: 0.8;
}
.msg-fb-btn.active {
    opacity: 1;
    border-color: var(--border-light);
}
.msg-fb-saved {
    font-size: 11px;
    color: var(--green);
    opacity: 0;
    margin-left: 4px;
    transition: opacity 0.3s;
}
.msg-fb-saved.show {
    animation: fbSavedFlash 1.5s ease forwards;
}
@keyframes fbSavedFlash {
    0%   { opacity: 0; }
    15%  { opacity: 1; }
    70%  { opacity: 1; }
    100% { opacity: 0; }
}
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.msg.user {
    margin-left: auto;
}
.msg.assistant {
    margin-right: auto;
}
.msg.command-result {
    margin-right: auto;
    max-width: 95%;
}

.msg-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    gap: 8px;
}

.msg-bubble {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 14px;
    line-height: 1.6;
    word-break: break-word;
    position: relative;
}
.msg.user .msg-bubble {
    background: linear-gradient(135deg, var(--user-bg) 0%, #1a2f4a 100%);
    border: 1px solid #264e78;
    border-radius: var(--radius) var(--radius-sm) var(--radius) var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.msg.assistant .msg-bubble {
    background: linear-gradient(135deg, var(--assistant-bg) 0%, #1a2030 100%);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm) var(--radius) var(--radius) var(--radius);
    box-shadow: 0 1px 3px rgba(0,0,0,0.15);
}
.msg.command-result .msg-bubble {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius-sm);
    font-size: 13px;
}
.msg.error .msg-bubble {
    background: linear-gradient(135deg, #2d1215 0%, #351520 100%);
    border: 1px solid var(--red);
    border-left: 3px solid var(--red);
    color: #ffa198;
    box-shadow: 0 1px 3px rgba(248,81,73,0.1);
}

.msg-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
}
.msg.user .msg-label {
    color: var(--accent);
}
.msg.assistant .msg-label {
    color: var(--green);
}
.msg.error .msg-label {
    color: var(--red);
}

.msg-avatar {
    font-size: 14px;
    line-height: 1;
}

.msg-meta {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    font-family: var(--font-mono);
    opacity: 0.7;
}

/* Markdown-ish rendering inside messages */
.msg-bubble code {
    background: var(--bg-primary);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 12px;
}
.msg-bubble pre {
    background: var(--bg-primary);
    padding: 12px;
    border-radius: var(--radius-sm);
    overflow-x: auto;
    margin: 8px 0;
    border: 1px solid var(--border);
}
.msg-bubble pre code {
    background: none;
    padding: 0;
    font-size: 12px;
    line-height: 1.5;
}
.msg-bubble strong { color: var(--text-primary); font-weight: 600; }
.msg-bubble h2, .msg-bubble h3 { margin: 12px 0 6px; color: var(--text-primary); }
.msg-bubble h2 { font-size: 16px; }
.msg-bubble h3 { font-size: 14px; }
.msg-bubble ul, .msg-bubble ol { padding-left: 20px; margin: 6px 0; }
.msg-bubble li { margin: 3px 0; }
.msg-bubble table { border-collapse: collapse; margin: 8px 0; width: 100%; }
.msg-bubble th, .msg-bubble td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
    font-size: 13px;
}
.msg-bubble th { background: var(--bg-tertiary); font-weight: 600; }
.msg-bubble audio {
    filter: invert(0.85) hue-rotate(180deg);
    border-radius: 8px;
}

/* Streaming cursor */
.streaming-cursor::after {
    content: '';
    display: inline-block;
    width: 8px;
    height: 16px;
    background: var(--accent);
    margin-left: 2px;
    animation: blink 0.8s infinite;
    vertical-align: text-bottom;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ─── Thinking Indicator ─────────────────────────────── */

.thinking-indicator {
    max-width: 85%;
    margin-right: auto;
    margin-bottom: 16px;
    animation: thinkFadeIn 0.25s ease;
}
.thinking-indicator .thinking-inner {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 8px 14px;
    border-radius: 8px;
    border-left: 3px solid var(--purple);
    background: linear-gradient(135deg, rgba(188, 140, 255, 0.06) 0%, rgba(88, 166, 255, 0.04) 100%);
}
.thinking-indicator .thinking-icon {
    font-size: 15px;
    flex-shrink: 0;
    margin-top: 1px;
    animation: thinkPulse 1.8s ease-in-out infinite;
}
.thinking-indicator .thinking-text {
    font-size: 13px;
    font-style: italic;
    color: var(--text-secondary);
    white-space: normal;
    word-break: break-word;
}
.thinking-indicator .thinking-text .thinking-tool {
    font-family: var(--font-mono);
    font-style: normal;
    font-size: 12px;
    color: var(--purple);
}
.thinking-indicator .thinking-text .thinking-detail {
    display: block;
    font-family: var(--font-mono);
    font-style: normal;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 3px;
    line-height: 1.5;
    opacity: 0.85;
}
/* Frozen (completed) micro-loop steps – dimmed, no animation */
.thinking-frozen .thinking-inner {
    opacity: 0.55;
    border-left-color: var(--border);
    background: transparent;
}
.thinking-frozen .thinking-icon {
    animation: none !important;
    opacity: 0.4;
}
.thinking-frozen {
    animation: none;
    margin-bottom: 4px;
}

@keyframes thinkPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.12); }
}
@keyframes thinkFadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Thinking Console Output ───────────────────────── */

.thinking-console {
    margin-top: 6px;
    border-radius: var(--radius-sm);
    background: var(--monitor-bg);
    border: 1px solid var(--border);
    overflow: hidden;
}
.thinking-console-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    cursor: pointer;
    user-select: none;
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-light);
}
.thinking-console-header:hover {
    background: rgba(255, 255, 255, 0.04);
}
.thinking-console-chevron {
    font-size: 10px;
    transition: transform 0.2s;
    display: inline-block;
    width: 12px;
    text-align: center;
}
.thinking-console.collapsed .thinking-console-chevron {
    transform: rotate(-90deg);
}
.thinking-console.collapsed .thinking-console-output {
    display: none;
}
.thinking-console.collapsed .thinking-console-header {
    border-bottom: none;
}
.thinking-console-output {
    padding: 8px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    line-height: 1.5;
    color: var(--monitor-text);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 200px;
    overflow-y: auto;
    margin: 0;
}
/* Frozen indicators: dimmed console */
.thinking-frozen .thinking-console {
    opacity: 0.7;
}
.thinking-frozen .thinking-console-output {
    max-height: 150px;
}

/* ─── Next Steps ─────────────────────────────────────── */

.next-steps-container {
    max-width: 90%;
    margin-right: auto;
    margin-bottom: 16px;
    animation: thinkFadeIn 0.25s ease;
}
.next-steps-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.next-steps-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.next-step-btn {
    font-size: 12px;
    padding: 6px 14px;
    border-radius: 16px;
    background: var(--bg-tertiary);
    color: var(--accent);
    border: 1px solid rgba(88, 166, 255, 0.25);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    max-width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
}
.next-step-btn:hover {
    background: var(--accent-subtle);
    border-color: var(--accent);
    color: var(--accent-hover);
}
.next-step-btn:active {
    transform: scale(0.97);
}

/* ─── Rephrase Panel ─────────────────────────────────── */

.rephrase-panel {
    max-width: 90%;
    margin-right: auto;
    margin-bottom: 16px;
    border-radius: 8px;
    border: 1px solid rgba(88, 166, 255, 0.18);
    border-left: 3px solid var(--accent);
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.05) 0%, rgba(188, 140, 255, 0.03) 100%);
    animation: thinkFadeIn 0.25s ease;
    overflow: hidden;
}
.rephrase-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}
.rephrase-header:hover {
    background: rgba(88, 166, 255, 0.08);
}
.rephrase-icon {
    font-size: 14px;
    flex-shrink: 0;
}
.rephrase-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: 0.02em;
}
.rephrase-toggle {
    margin-left: auto;
    font-size: 11px;
    color: var(--text-secondary);
    opacity: 0.6;
    transition: opacity 0.15s;
}
.rephrase-header:hover .rephrase-toggle {
    opacity: 1;
}
.rephrase-body {
    padding: 0 14px 12px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-secondary);
    border-top: 1px solid rgba(88, 166, 255, 0.1);
}
.rephrase-body h1,
.rephrase-body h2,
.rephrase-body h3 {
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 600;
    margin: 10px 0 4px;
}
.rephrase-body h1 { font-size: 14px; }
.rephrase-body p { margin: 4px 0; }
.rephrase-body ul, .rephrase-body ol {
    margin: 4px 0;
    padding-left: 20px;
}
.rephrase-body li { margin: 2px 0; }
.rephrase-body code {
    font-family: var(--font-mono);
    font-size: 12px;
    background: var(--bg-tertiary);
    padding: 1px 5px;
    border-radius: 3px;
}
.rephrase-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 6px 0;
    font-size: 12px;
}
.rephrase-body th,
.rephrase-body td {
    padding: 4px 8px;
    border: 1px solid var(--border);
    text-align: left;
}
.rephrase-body th {
    background: var(--bg-tertiary);
    font-weight: 600;
}

/* ─── Empty State ────────────────────────────────────── */

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}
.empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-title { font-size: 18px; font-weight: 600; color: var(--text-secondary); margin-bottom: 8px; }
.empty-text { max-width: 400px; line-height: 1.7; font-size: 13px; }
.empty-text code {
    background: var(--bg-tertiary);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
}
.empty-text kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 11px;
    font-family: var(--font-mono);
}

.quick-actions {
    display: flex;
    gap: 8px;
    margin-top: 20px;
    flex-wrap: wrap;
    justify-content: center;
}
.quick-btn {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.15s;
    font-family: var(--font);
}
.quick-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--accent);
}

/* ─── Resize Handle ──────────────────────────────────── */

#resizeHandle {
    width: 4px;
    cursor: col-resize;
    background: var(--border);
    transition: background 0.15s;
    flex-shrink: 0;
}
#resizeHandle:hover, #resizeHandle.dragging {
    background: var(--accent);
}

/* ─── Monitor Pane ───────────────────────────────────── */

#monitorPane {
    flex: 4;
    display: flex;
    flex-direction: column;
    min-width: 250px;
    background: var(--monitor-bg);
}

.monitor-area {
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.6;
    color: var(--monitor-text);
}

.monitor-entry {
    padding: 8px 12px;
    border-bottom: 1px solid #1a2030;
    animation: fadeIn 0.2s ease;
}
.monitor-entry:last-child { border-bottom: none; }

.monitor-tool-name {
    color: var(--accent);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    margin-bottom: 2px;
}
.monitor-args {
    color: var(--text-muted);
    font-size: 11px;
    margin-bottom: 4px;
    word-break: break-all;
}
.monitor-output {
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 300px;
    overflow-y: auto;
    color: var(--monitor-text);
}

/* ─── Input Area ─────────────────────────────────────── */

#inputArea {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    padding: 12px 16px 8px;
    position: relative;
}

/* ── Input toggles bar ────────────────────────────────── */
.input-toggles {
    display: flex;
    gap: 12px;
    padding: 0 0 6px;
    align-items: center;
}
.toggle-switch {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    user-select: none;
}
.toggle-switch input { display: none; }
.toggle-slider {
    position: relative;
    width: 28px;
    height: 16px;
    background: var(--bg-tertiary, #333);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: background 0.2s, border-color 0.2s;
}
.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 10px;
    height: 10px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: transform 0.2s, background 0.2s;
}
.toggle-switch input:checked + .toggle-slider {
    background: var(--accent, #e8912d);
    border-color: var(--accent, #e8912d);
}
.toggle-switch input:checked + .toggle-slider::after {
    transform: translateX(12px);
    background: #fff;
}
.toggle-label {
    font-size: 11px;
    color: var(--text-muted);
    transition: color 0.2s;
}
.toggle-switch input:checked ~ .toggle-label {
    color: var(--accent, #e8912d);
}

.attachment-preview {
    display: flex;
    gap: 8px;
    padding: 6px 0 4px;
    align-items: center;
}
.attachment-preview.hidden { display: none; }

.attachment-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-tertiary, #2a2a2a);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 8px 4px 4px;
    max-width: 300px;
}

.attachment-thumb {
    width: 36px;
    height: 36px;
    object-fit: cover;
    border-radius: 4px;
}

.attachment-file-icon {
    font-size: 24px;
    line-height: 36px;
}

.attachment-name {
    font-size: 12px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 180px;
}

.attachment-remove {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 14px;
    padding: 0 2px;
    line-height: 1;
    opacity: 0.6;
}
.attachment-remove:hover { opacity: 1; color: var(--accent-red, #e55); }

/* ── Context token info (in chat pane header) ────────── */
.context-info {
    display: inline-flex;
    flex: 1;
    justify-content: flex-end;
    gap: 10px;
    padding: 0 12px;
    font-size: 10px;
    font-family: var(--font-mono);
    color: var(--text-muted);
}
.context-info:empty { padding: 0; }
.context-info .ctx-item {
    display: inline-flex;
    align-items: center;
    gap: 3px;
    white-space: nowrap;
}
.context-info .ctx-label {
    opacity: 0.6;
}
.context-info .ctx-value {
    color: var(--text-secondary);
}
.context-info .ctx-bar {
    display: inline-block;
    width: 48px;
    height: 5px;
    background: var(--bg-tertiary, #333);
    border-radius: 3px;
    overflow: hidden;
    vertical-align: middle;
}
.context-info .ctx-bar-fill {
    display: block;
    height: 100%;
    border-radius: 3px;
    background: var(--accent);
    transition: width 0.4s ease, background 0.4s ease;
}
.context-info .ctx-bar-fill.warn {
    background: var(--orange, #e8a838);
}
.context-info .ctx-bar-fill.critical {
    background: var(--red, #e05050);
}

.input-row {
    display: flex;
    gap: 8px;
    align-items: flex-end;
}

#messageInput {
    flex: 1;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 10px 14px;
    border-radius: var(--radius);
    font-size: 14px;
    font-family: var(--font);
    resize: none;
    line-height: 1.5;
    max-height: 120px;
    min-height: 40px;
    transition: border-color 0.15s;
    outline: none;
}
#messageInput:focus {
    border-color: var(--accent);
}
#messageInput::placeholder {
    color: var(--text-muted);
}

.input-buttons {
    display: flex;
    gap: 4px;
}

.send-btn {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--bg-primary);
    font-size: 16px;
    padding: 6px 12px;
}
.send-btn:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    color: var(--bg-primary);
}
.stop-btn {
    background: var(--red);
    border-color: var(--red);
    color: #fff;
    font-size: 14px;
    padding: 6px 12px;
    animation: stopPulse 1.5s ease-in-out infinite;
}
.stop-btn:hover {
    background: #e04040;
    border-color: #e04040;
    color: #fff;
}
.stop-btn-active {
    animation: none !important;
    opacity: 0.5;
}
@keyframes stopPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.input-hints {
    display: flex;
    gap: 16px;
    margin-top: 6px;
    font-size: 11px;
    color: var(--text-muted);
}
.input-hints kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 0 4px;
    font-family: var(--font-mono);
    font-size: 10px;
}

/* ─── Command Suggestions ────────────────────────────── */

.suggestions-dropdown {
    position: absolute;
    bottom: 100%;
    left: 16px;
    right: 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-height: 300px;
    overflow-y: auto;
    z-index: 20;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.4);
}
.suggestions-dropdown.hidden { display: none; }

.suggestion-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    cursor: pointer;
    transition: background 0.1s;
    border-bottom: 1px solid var(--border-light);
}
.suggestion-item:last-child { border-bottom: none; }
.suggestion-item:hover, .suggestion-item.selected {
    background: var(--bg-active);
}
.suggestion-cmd {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
}
.suggestion-desc {
    color: var(--text-muted);
    font-size: 12px;
    text-align: right;
    margin-left: 12px;
}
.suggestion-cat {
    font-size: 10px;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 1px 6px;
    border-radius: 3px;
    margin-left: 8px;
}

/* ─── Sidebar ────────────────────────────────────────── */

.sidebar {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 30;
    display: flex;
    flex-direction: column;
    transform: translateX(0);
    transition: transform 0.2s ease;
    box-shadow: -4px 0 16px rgba(0,0,0,0.3);
}
.sidebar.hidden {
    transform: translateX(100%);
    pointer-events: none;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

.sidebar-tabs {
    display: flex;
    gap: 2px;
}
.sidebar-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    padding: 6px 12px;
    cursor: pointer;
    font-size: 13px;
    border-radius: var(--radius-sm);
    transition: all 0.15s;
    font-family: var(--font);
}
.sidebar-tab:hover { color: var(--text-secondary); background: var(--bg-hover); }
.sidebar-tab.active { color: var(--accent); background: var(--accent-subtle); }

.sidebar-close {
    font-size: 20px;
    border: none;
    padding: 2px 8px;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: none;
    min-height: 0;
}
.sidebar-content.active { display: block; }

/* Instructions tab needs a column flex layout so the editor can fill available space */
.sidebar-content.instructions-tab {
    display: none;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}
.sidebar-content.instructions-tab.active {
    display: flex;
}

.sidebar-actions {
    margin-bottom: 12px;
}
.sidebar-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.action-btn {
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.15s;
    font-family: var(--font);
}
.action-btn:hover { background: var(--accent-hover); }
.action-btn.secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}
.action-btn.secondary:hover { background: var(--bg-hover); color: var(--text-primary); }
.action-btn.danger { background: var(--red); }
.action-btn.danger:hover { opacity: 0.85; }

.sidebar-list { display: flex; flex-direction: column; gap: 4px; }

.session-item, .instruction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
}
.session-item:hover, .instruction-item:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}
.session-item.active {
    border-color: var(--accent);
    background: var(--accent-subtle);
}
.session-item-name { font-weight: 500; }
.session-item-meta { font-size: 11px; color: var(--text-muted); }
.instruction-item-name { font-family: var(--font-mono); font-size: 12px; }
.instruction-item-size { font-size: 11px; color: var(--text-muted); }

/* ─── Instructions File List Panel ──────────────────── */

.instr-files-panel {
    padding: 12px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.instr-files-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.instr-files-title {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

.instr-file-list {
    max-height: 220px;
    overflow-y: auto;
}

.instruction-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 7px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
}
.instruction-item:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}
.instruction-item.active-file {
    border-color: var(--accent);
    background: var(--accent-subtle);
}
.instruction-item-name { font-family: var(--font-mono); font-size: 12px; }
.instruction-item-size { font-size: 11px; color: var(--text-muted); white-space: nowrap; margin-left: 8px; }

.instruction-item.overridden { border-left: 2px solid var(--orange, #f78166); }
.instruction-item-customized {
    font-size: 9px; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.3px; color: var(--orange, #f78166); margin-left: 3px;
}

/* ─── Instruction Editor ─────────────────────────────── */

.instruction-editor {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    border-top: 1px solid var(--border);
}
.instruction-editor.hidden { display: none; }

.editor-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 8px;
}

.editor-file-info {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
    flex: 1;
    overflow: hidden;
}
.editor-file-icon { font-size: 14px; flex-shrink: 0; }
#editorFileName {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.editor-dirty {
    color: var(--orange);
    font-size: 18px;
    line-height: 1;
    flex-shrink: 0;
}
.editor-dirty.hidden { display: none; }

.editor-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.editor-save-status {
    font-size: 11px;
    color: var(--green);
    white-space: nowrap;
    min-width: 40px;
    text-align: right;
}

.action-btn.small {
    padding: 4px 10px;
    font-size: 12px;
}

.editor-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding: 0;
}

.editor-textarea {
    flex: 1;
    width: 100%;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: none;
    border-radius: 0;
    padding: 12px 14px;
    font-family: var(--font-mono);
    font-size: 12px;
    line-height: 1.7;
    resize: none;
    outline: none;
    min-height: 0;
}
.editor-textarea:focus {
    outline: none;
    box-shadow: inset 0 0 0 1px var(--accent);
}

/* ─── File Explorer (sidebar) ────────────────────────── */

.sidebar-content.files-tab {
    display: none;
    flex-direction: column;
    padding: 0;
    overflow: hidden;
}
.sidebar-content.files-tab.active {
    display: flex;
}

.files-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    gap: 8px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
}
.files-count {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
    flex-shrink: 0;
}
.files-search {
    flex: 1;
    min-width: 0;
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px 8px;
    font-size: 12px;
    font-family: var(--font);
    outline: none;
}
.files-search:focus {
    border-color: var(--accent);
}

.files-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
    min-height: 0;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
    margin-bottom: 4px;
}
.file-item:hover {
    border-color: var(--accent);
    background: var(--bg-tertiary);
}
.file-item-icon {
    font-size: 16px;
    flex-shrink: 0;
    width: 20px;
    text-align: center;
}
.file-item-info {
    min-width: 0;
    flex: 1;
}
.file-item-name {
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-item-path {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-missing {
    font-size: 10px;
    color: var(--red);
    font-weight: 600;
    text-transform: uppercase;
    margin-left: 4px;
}

.files-group-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    padding: 8px 4px 4px;
    margin-top: 4px;
}
.files-group-label:first-child { margin-top: 0; }
.files-group-count {
    font-weight: 400;
    color: var(--text-muted);
    text-transform: none;
    letter-spacing: 0;
}

/* File preview (inside sidebar) */
.file-preview {
    flex-shrink: 0;
    max-height: 50%;
    display: flex;
    flex-direction: column;
    border-top: 1px solid var(--border);
    min-height: 0;
}
.file-preview.hidden { display: none; }

.file-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    gap: 8px;
}
.file-preview-name {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
    min-width: 0;
}
.file-preview-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}
.file-preview-meta {
    font-size: 11px;
    color: var(--text-muted);
    padding: 4px 12px;
    flex-shrink: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.file-preview-body {
    flex: 1;
    overflow-y: auto;
    min-height: 0;
    padding: 0;
}
.file-preview-code {
    margin: 0;
    padding: 8px 12px;
    font-size: 11px;
    line-height: 1.5;
    font-family: var(--font-mono);
    color: var(--text-primary);
    background: var(--bg-primary);
    white-space: pre-wrap;
    word-break: break-all;
}
.file-preview-code code {
    background: none;
    padding: 0;
    font-size: inherit;
}
.file-preview-image {
    max-width: 100%;
    display: block;
    padding: 8px;
}
.file-preview-empty {
    padding: 20px 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

/* ─── Command Palette ────────────────────────────────── */

.palette-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 50;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
}
.palette-overlay.hidden { display: none; }

.palette-dialog {
    width: 520px;
    max-width: 90vw;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    overflow: hidden;
}

#paletteInput {
    width: 100%;
    padding: 14px 16px;
    background: var(--bg-primary);
    border: none;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-size: 15px;
    font-family: var(--font);
    outline: none;
}

.palette-results {
    max-height: 350px;
    overflow-y: auto;
}
.palette-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background 0.1s;
}
.palette-item:last-child { border-bottom: none; }
.palette-item:hover, .palette-item.selected { background: var(--bg-active); }
.palette-item-cmd {
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 13px;
}
.palette-item-desc {
    color: var(--text-muted);
    font-size: 12px;
}

/* ─── Approval Modal ─────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 60;
    display: flex;
    align-items: center;
    justify-content: center;
}
.modal-overlay.hidden { display: none; }

.modal-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    max-width: 480px;
    width: 90vw;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}
.modal-icon { font-size: 32px; margin-bottom: 12px; }
.modal-dialog h3 { margin-bottom: 12px; }
.modal-dialog p {
    color: var(--text-secondary);
    font-family: var(--font-mono);
    font-size: 13px;
    background: var(--bg-primary);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    text-align: left;
    word-break: break-all;
    white-space: pre-wrap;
}
.modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}

/* ─── Folder Browser Dialog ──────────────────────────── */

.folder-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 90vw;
    max-width: 560px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
}

.folder-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
}
.folder-dialog-header h3 {
    font-size: 15px;
    font-weight: 600;
}

/* ─── Folder tabs ─────────────────────────────────────── */
.folder-tabs {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    padding: 0 18px;
}
.folder-tab {
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-family: var(--font);
    font-size: 12px;
    font-weight: 600;
    padding: 8px 14px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}
.folder-tab:hover { color: var(--text); }
.folder-tab.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
.folder-tab-content.hidden { display: none; }

/* ─── Drive bar (Windows) ─────────────────────────────── */
.folder-drive-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.folder-drive-bar.hidden { display: none; }
.folder-drive-btn {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--accent);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    padding: 3px 8px;
    cursor: pointer;
    transition: background 0.1s, border-color 0.1s;
}
.folder-drive-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent);
}

.folder-current {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
}

.folder-section-label {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.folder-list {
    max-height: 120px;
    overflow-y: auto;
}

.folder-entry {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 3px;
    font-size: 12px;
}
.folder-entry.missing {
    border-color: var(--orange);
    opacity: 0.7;
}
.folder-entry-path {
    flex: 1;
    min-width: 0;
    font-family: var(--font-mono);
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.folder-entry-warn {
    flex-shrink: 0;
    font-size: 14px;
    color: var(--orange);
}
.folder-entry-remove {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}
.folder-entry-remove:hover { color: var(--red); }

.folder-browser {
    padding: 12px 18px;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.folder-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 1px;
    margin-bottom: 8px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-muted);
}
.folder-bc-item {
    cursor: pointer;
    color: var(--accent);
    padding: 1px 2px;
    border-radius: 3px;
}
.folder-bc-item:hover {
    background: var(--bg-tertiary);
    text-decoration: underline;
}
.folder-bc-sep {
    color: var(--text-muted);
    padding: 0 1px;
}

.folder-dirs {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    max-height: 260px;
    min-height: 120px;
}

.folder-dir-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    font-size: 13px;
    cursor: pointer;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border);
    transition: background 0.1s;
}
.folder-dir-item:last-child { border-bottom: none; }
.folder-dir-item:hover {
    background: var(--bg-tertiary);
}
.folder-dir-item.parent {
    color: var(--text-muted);
    font-style: italic;
}
.folder-dir-icon {
    flex-shrink: 0;
    font-size: 14px;
}

.folder-empty {
    padding: 16px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
}

.folder-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid var(--border);
}

.folder-selected-path {
    flex: 1;
    min-width: 0;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ─── Help Table ─────────────────────────────────────── */

.help-content h3 {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 16px 0 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.help-content h3:first-child { margin-top: 0; }

.help-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 12px;
}
.help-table td {
    padding: 5px 10px;
    border-bottom: 1px solid var(--border-light);
    font-size: 13px;
}
.help-table td:first-child {
    width: 120px;
    white-space: nowrap;
}
.help-table kbd {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 1px 5px;
    font-size: 11px;
    font-family: var(--font-mono);
}

.help-content ul {
    padding-left: 18px;
    margin-bottom: 12px;
}
.help-content li {
    margin: 4px 0;
    font-size: 13px;
    color: var(--text-secondary);
}
.help-content code {
    background: var(--bg-tertiary);
    padding: 1px 5px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--accent);
}

/* ─── Scrollbar ──────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-hover); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── Loading ────────────────────────────────────────── */

.loading {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 13px;
}

/* ─── Upload Button & Drop Overlay ───────────────────── */

.upload-btn { font-size: 16px; }
.upload-btn:disabled { opacity: 0.5; cursor: wait; }

/* ── Mic Button & Recording States ──────────────────── */

.mic-btn { font-size: 16px; transition: all 0.2s; }

.mic-btn.recording {
    background: var(--red);
    border-color: var(--red);
    color: #fff;
    animation: micPulse 1.2s ease-in-out infinite;
}

.mic-btn.transcribing {
    opacity: 0.6;
    cursor: wait;
}

.mic-btn:disabled { opacity: 0.4; cursor: not-allowed; }

@keyframes micPulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.4); }
    50%      { opacity: 0.85; box-shadow: 0 0 0 6px rgba(248, 81, 73, 0); }
}

.drop-overlay {
    position: absolute;
    inset: 0;
    background: rgba(88, 166, 255, 0.08);
    border: 2px dashed var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    pointer-events: none;
}
.drop-overlay.hidden { display: none; }
.drop-overlay-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent);
}

/* ─── Misc Utilities ─────────────────────────────────── */

.hidden { display: none !important; }

/* ─── Markdown Viewer Modal ──────────────────────────── */

.md-viewer-dialog {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 80vw;
    height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    overflow: hidden;
}
.md-viewer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.md-viewer-title {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}
.md-viewer-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}
.md-viewer-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px 32px;
    line-height: 1.7;
    font-size: 14px;
    color: var(--text-primary);
}
.md-viewer-body h1,
.md-viewer-body h2,
.md-viewer-body h3,
.md-viewer-body h4 {
    margin-top: 1.4em;
    margin-bottom: 0.6em;
    color: var(--text-primary);
}
.md-viewer-body h1 { font-size: 1.6em; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
.md-viewer-body h2 { font-size: 1.35em; border-bottom: 1px solid var(--border-light); padding-bottom: 0.25em; }
.md-viewer-body h3 { font-size: 1.15em; }
.md-viewer-body p { margin: 0.6em 0; }
.md-viewer-body ul, .md-viewer-body ol { margin: 0.6em 0; padding-left: 1.8em; }
.md-viewer-body li { margin: 0.3em 0; }
.md-viewer-body code {
    background: var(--bg-tertiary);
    padding: 2px 5px;
    border-radius: 3px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}
.md-viewer-body pre {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    overflow-x: auto;
    margin: 0.8em 0;
}
.md-viewer-body pre code {
    background: none;
    padding: 0;
    font-size: 12px;
}
.md-viewer-body blockquote {
    border-left: 3px solid var(--accent);
    margin: 0.8em 0;
    padding: 0.4em 1em;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.md-viewer-body table {
    border-collapse: collapse;
    width: 100%;
    margin: 0.8em 0;
    font-size: 13px;
}
.md-viewer-body th, .md-viewer-body td {
    border: 1px solid var(--border);
    padding: 6px 10px;
    text-align: left;
}
.md-viewer-body th {
    background: var(--bg-tertiary);
    font-weight: 600;
}
.md-viewer-body a {
    color: var(--accent);
    text-decoration: none;
}
.md-viewer-body a:hover { text-decoration: underline; }
.md-viewer-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 1.5em 0;
}
.md-viewer-body img {
    max-width: 100%;
    border-radius: var(--radius-sm);
}

/* ─── Responsive ─────────────────────────────────────── */

@media (max-width: 768px) {
    :root { --sidebar-width: 100vw; }
    #monitorPane { display: none; }
    #resizeHandle { display: none; }
    #chatPane { flex: 1; border-right: none; }
    .input-hints { display: none; }
}