/* EMU AI Panel - Functional & Skin Styles */

/* ── Panel container (inline flex child of #main-container) ──────────────── */

.ai-panel {
    display: none;
    flex-direction: column;
    flex-shrink: 0;
    height: 100%;
    min-width: 200px;
    background: var(--bg-secondary, #252526);
    border-right: 1px solid var(--border-color, #3e3e42);
    overflow: hidden;
}

.ai-panel.open {
    display: flex;
}

/* When AI panel is open, main-container stops centering and packs left-to-right */
#main-container.ai-active {
    justify-content: flex-start;
}

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

.ai-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--border-color, #3e3e42);
    color: var(--text-heading, #e0e0e0);
}

.ai-panel-header-title {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ai-panel-header-title i {
    color: var(--accent-link, #4ec9b0);
}

.ai-panel-header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* ── Settings area ───────────────────────────────────────────────────────── */

.ai-settings {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color, #3e3e42);
    font-size: 12px;
    display: none;
    flex-direction: column;
    gap: 6px;
}

.ai-settings.open {
    display: flex;
}

.ai-settings label {
    display: flex;
    flex-direction: column;
    gap: 3px;
    color: var(--text-secondary, #a0a0a0);
    font-size: 11px;
}

.ai-settings input,
.ai-settings select {
    background: var(--bg-primary, #1e1e1e);
    color: var(--text-primary, #d4d4d4);
    border: 1px solid var(--border-color, #3e3e42);
    border-radius: 3px;
    padding: 4px 6px;
    font-size: 12px;
    font-family: inherit;
}

.ai-settings input:focus,
.ai-settings select:focus {
    outline: none;
    border-color: var(--accent-color, #0e639c);
}

.ai-key-status {
    font-size: 11px;
    padding: 2px 0;
}

.ai-key-status.valid {
    color: var(--accent-link, #4ec9b0);
}

.ai-key-status.invalid {
    color: #f44747;
}

.ai-checkbox-label {
    flex-direction: row !important;
    align-items: center;
    gap: 6px !important;
    cursor: pointer;
    margin-top: 4px;
}

.ai-checkbox-label input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

/* ── Chat messages ───────────────────────────────────────────────────────── */

.ai-chat-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.ai-msg {
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 13px;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}

.ai-msg-user {
    background: var(--chat-user-bg, rgba(86, 156, 214, 0.1));
    border-left: 3px solid var(--chat-user-border, #569cd6);
    align-self: flex-end;
    max-width: 90%;
}

.ai-msg-assistant {
    background: var(--chat-claude-bg, rgba(78, 201, 176, 0.05));
    border-left: 3px solid var(--chat-claude-border, #4ec9b0);
    align-self: flex-start;
    max-width: 95%;
}

.ai-msg-system {
    font-size: 11px;
    color: var(--text-muted, #6c6c6c);
    text-align: center;
    padding: 4px;
}

.ai-msg-thinking {
    background: var(--chat-thinking-bg, rgba(206, 145, 120, 0.1));
    border-left: 3px solid var(--chat-thinking-border, #ce9178);
    font-size: 12px;
    color: var(--text-secondary, #a0a0a0);
    font-style: italic;
}

/* Streaming cursor */
.ai-msg-assistant.streaming::after {
    content: '▌';
    animation: ai-blink 0.8s step-end infinite;
}

@keyframes ai-blink {
    50% { opacity: 0; }
}

/* Code blocks inside messages */
.ai-msg pre {
    background: var(--code-block-bg, #2d2d30);
    padding: 8px;
    border-radius: 4px;
    overflow-x: auto;
    margin: 6px 0;
    font-size: 12px;
}

.ai-msg code {
    background: var(--code-bg, #2d2d30);
    padding: 1px 4px;
    border-radius: 3px;
    font-size: 0.9em;
}

.ai-msg pre code {
    background: none;
    padding: 0;
}

/* ── Tracked changes (propose_edit) ─────────────────────────────────────── */

.ai-tracked-change {
    position: relative;
    background: var(--bg-tertiary, #2d2d30);
    border: 1px solid var(--border-color, #3e3e42);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 13px;
    line-height: 1.5;
}

.ai-tc-close {
    position: absolute;
    top: 4px;
    right: 6px;
    background: none;
    border: none;
    color: var(--text-muted, #6c6c6c);
    font-size: 16px;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
}

.ai-tc-close:hover {
    color: var(--text-primary, #d4d4d4);
}

.ai-tc-explanation {
    color: var(--text-secondary, #a0a0a0);
    font-size: 12px;
    margin-bottom: 8px;
    font-style: italic;
}

.ai-tc-diff {
    background: var(--bg-primary, #1e1e1e);
    border-radius: 4px;
    padding: 8px 10px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    font-size: 12px;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    margin-bottom: 8px;
}

.ai-tc-delete {
    background: rgba(194, 112, 112, 0.12);
    color: #c27070;
    text-decoration: line-through;
    text-decoration-color: #c27070;
    display: block;
    padding: 2px 4px;
    border-radius: 2px;
    margin-bottom: 4px;
}

.ai-tc-insert {
    background: rgba(112, 168, 208, 0.12);
    color: #70a8d0;
    text-decoration: none;
    display: block;
    padding: 2px 4px;
    border-radius: 2px;
}

.ai-tc-warning {
    color: #cca700;
    font-size: 11px;
    margin-bottom: 6px;
}

.ai-tc-actions {
    display: flex;
    gap: 6px;
    align-items: center;
}

.ai-tc-accept {
    background: rgba(78, 201, 176, 0.2) !important;
    color: #4ec9b0 !important;
}

.ai-tc-accept:hover {
    background: rgba(78, 201, 176, 0.35) !important;
}

.ai-tc-reject {
    background: rgba(244, 71, 71, 0.15) !important;
    color: #f44747 !important;
}

.ai-tc-reject:hover {
    background: rgba(244, 71, 71, 0.3) !important;
}

.ai-tc-status {
    font-size: 11px;
    font-weight: 600;
}

.ai-tc-status.accepted {
    color: #4ec9b0;
}

.ai-tc-status.rejected {
    color: var(--text-muted, #6c6c6c);
}

.ai-tc-accepted {
    opacity: 0.6;
}

.ai-tc-dismissed {
    opacity: 0.4;
}

/* ── Review highlight in code overlay ──────────────────────────────────── */

.ai-review-highlight {
    background: rgba(78, 201, 176, 0.12) !important;
    outline: 1.5px solid rgba(78, 201, 176, 0.45);
    border-radius: 2px;
}

/* ── Review panel (single navigation card) ─────────────────────────────── */

.ai-review-panel {
    border: 1px solid var(--accent-link, #4ec9b0);
    opacity: 1 !important;
}

.ai-tc-nav-header {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 6px;
}

.ai-tc-counter {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-heading, #e0e0e0);
}

/* ── Action buttons in messages ──────────────────────────────────────────── */

.ai-action-bar {
    display: flex;
    gap: 6px;
    margin-top: 6px;
    flex-wrap: wrap;
}

.ai-action-btn {
    background: var(--button-bg, #3e3e42);
    color: var(--text-primary, #d4d4d4);
    border: none;
    border-radius: 3px;
    padding: 3px 8px;
    font-size: 11px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.ai-action-btn:hover {
    background: var(--button-hover, #505050);
}

/* ── Context slider ──────────────────────────────────────────────────────── */

.ai-mode-slider {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 12px;
    border-top: 1px solid var(--border-color, #3e3e42);
    font-size: 11px;
}

.ai-mode-end {
    color: var(--text-muted, #6c6c6c);
    white-space: nowrap;
    user-select: none;
}

.ai-mode-slider input[type="range"] {
    flex: 1;
    height: 4px;
    accent-color: var(--accent-color, #0e639c);
    cursor: pointer;
}

/* ── Input area ──────────────────────────────────────────────────────────── */

.ai-input-area {
    padding: 8px 12px;
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.ai-input-area textarea {
    flex: 1;
    background: var(--bg-primary, #1e1e1e);
    color: var(--text-primary, #d4d4d4);
    border: 1px solid var(--border-color, #3e3e42);
    border-radius: 4px;
    padding: 6px 8px;
    font-size: 13px;
    font-family: inherit;
    line-height: 1.4;
    resize: none;
    min-height: 36px;
    max-height: 120px;
}

.ai-input-area textarea:focus {
    outline: none;
    border-color: var(--accent-color, #0e639c);
}

.ai-input-area textarea::placeholder {
    color: var(--text-muted, #6c6c6c);
}

.ai-send-btn {
    background: var(--accent-color, #0e639c);
    color: white;
    border: none;
    border-radius: 4px;
    padding: 0 12px;
    cursor: pointer;
    font-size: 14px;
    align-self: flex-end;
    height: 36px;
}

.ai-send-btn:hover {
    opacity: 0.9;
}

.ai-send-btn:disabled {
    opacity: 0.4;
    cursor: default;
}

/* ── Welcome state ───────────────────────────────────────────────────────── */

.ai-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 20px;
    text-align: center;
    color: var(--text-secondary, #a0a0a0);
    flex: 1;
}

.ai-welcome i {
    font-size: 32px;
    color: var(--accent-link, #4ec9b0);
    opacity: 0.5;
}

.ai-welcome p {
    font-size: 13px;
    line-height: 1.5;
}

.ai-welcome .ai-key-prompt {
    font-size: 12px;
    color: #f44747;
    margin-top: 8px;
}