styles.css

/* Pi Plugin — Chat View Styles */

/* Utility: hide elements via CSS class instead of inline styles */
/* Use higher specificity by scoping to plugin container */
.pi-chat-container .pi-session-panel.is-hidden,
.pi-chat-container .pi-attachments.is-hidden,
.pi-chat-container .pi-abort-btn.is-hidden,
.pi-chat-container .pi-header-model.is-hidden,
.pi-chat-container .pi-header-cwd.is-hidden,
.pi-chat-container .pi-env-var-container.is-hidden {
    display: none;
}

/* Env var hint container for provider dropdown */
.pi-env-var-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--background-secondary);
    border-radius: var(--radius-s);
}

.pi-env-var-hint {
    flex: 1;
    color: var(--text-muted);
}

.pi-env-var-add-btn {
    padding: 4px 12px;
    font-size: var(--font-ui-small);
    border-radius: var(--radius-s);
    background: var(--interactive-accent);
    color: var(--text-on-accent);
    cursor: pointer;
}

.pi-env-var-add-btn:hover:not(:disabled) {
    background: var(--interactive-accent-hover);
}

.pi-env-var-add-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Platform help spacing */
.pi-platform-help {
    margin-left: 0;
    margin-top: 0.5em;
    margin-bottom: 1em;
}

/* ── Layout ── */
.pi-chat-container {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* ── Header Bar ── */
.pi-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 12px;
    border-bottom: 1px solid var(--background-modifier-border);
    background: var(--background-secondary);
    flex-shrink: 0;
    min-height: 32px;
    gap: 8px;
}

.pi-header-left {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    flex: 1;
}

.pi-header-right {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.pi-header-session-name {
    font-weight: 600;
    font-size: 0.9em;
    cursor: pointer;
    padding: 2px 4px;
    border-radius: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 200px;
}

.pi-header-session-name:hover {
    background: var(--background-modifier-hover);
}

.pi-header-name-input {
    font-weight: 600;
    font-size: 0.9em;
    border: 1px solid var(--interactive-accent);
    border-radius: 4px;
    padding: 1px 4px;
    background: var(--background-primary);
    color: var(--text-normal);
    width: 180px;
    outline: none;
}

.pi-header-model {
    font-size: 0.75em;
    color: var(--text-muted);
    background: var(--background-primary-alt);
    padding: 1px 6px;
    border-radius: 8px;
    white-space: nowrap;
}

.pi-header-cwd {
    font-size: 0.75em;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.pi-header-new-btn {
    font-size: 0.8em;
    padding: 2px 10px;
    border-radius: 4px;
    border: 1px solid var(--background-modifier-border);
    background: var(--background-primary);
    color: var(--text-muted);
    cursor: pointer;
    white-space: nowrap;
}

.pi-header-new-btn:hover {
    background: var(--background-modifier-hover);
    color: var(--text-normal);
}

.pi-header-new-btn:focus-visible {
    outline: 2px solid var(--interactive-accent);
    outline-offset: 2px;
}

/* ── Chat Body (panel + messages) ── */
.pi-chat-body {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

/* ── Session Panel ── */
.pi-session-panel {
    width: 280px;
    min-width: 280px;
    border-right: 1px solid var(--background-modifier-border);
    display: flex;
    flex-direction: column;
    background: var(--background-primary);
    overflow: hidden;
}

.pi-session-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-bottom: 1px solid var(--background-modifier-border);
    flex-shrink: 0;
}

.pi-session-panel-title {
    font-weight: 600;
    font-size: 0.9em;
}

.pi-session-panel-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1.1em;
    padding: 0 4px;
    line-height: 1;
}

.pi-session-panel-close:hover {
    color: var(--text-normal);
}

.pi-session-panel-close:focus-visible {
    outline: 2px solid var(--interactive-accent);
    outline-offset: 2px;
    border-radius: 2px;
}

.pi-session-panel-search {
    margin: 8px;
    padding: 4px 8px;
    border: 1px solid var(--background-modifier-border);
    border-radius: 4px;
    background: var(--background-primary);
    color: var(--text-normal);
    font-size: 0.85em;
    flex-shrink: 0;
}

.pi-session-panel-search:focus {
    outline: none;
    border-color: var(--interactive-accent);
}

.pi-session-panel-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 4px 8px;
}

.pi-session-panel-empty {
    padding: 16px 12px;
    color: var(--text-muted);
    font-size: 0.85em;
    text-align: center;
}

.pi-session-entry {
    display: flex;
    align-items: flex-start;
    padding: 8px;
    margin: 2px 0;
    border-radius: 4px;
    cursor: pointer;
    gap: 4px;
}

.pi-session-entry:hover {
    background: var(--background-modifier-hover);
}

.pi-session-entry-active {
    background: var(--background-modifier-active-hover);
    border-left: 3px solid var(--interactive-accent);
}

.pi-session-entry-content {
    flex: 1;
    min-width: 0;
}

.pi-session-entry-name {
    font-weight: 600;
    font-size: 0.85em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pi-session-entry-meta {
    font-size: 0.75em;
    color: var(--text-muted);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pi-session-entry-cwd {
    opacity: 0.7;
}

.pi-session-entry-preview {
    font-size: 0.75em;
    color: var(--text-faint);
    margin-top: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pi-session-entry-actions {
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 0;
    transition: opacity 0.15s;
    flex-shrink: 0;
}

.pi-session-entry:hover .pi-session-entry-actions {
    opacity: 1;
}

.pi-session-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 2px;
    font-size: 0.8em;
    border-radius: 2px;
    line-height: 1;
}

.pi-session-action-btn:hover {
    background: var(--background-modifier-hover);
}

.pi-session-action-btn:focus-visible {
    outline: 2px solid var(--interactive-accent);
    outline-offset: 2px;
}

.pi-session-action-delete:hover {
    background: var(--background-modifier-error-hover);
}

.pi-header-sessions-btn {
    font-size: 0.85em;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--background-modifier-border);
    background: var(--background-primary);
    color: var(--text-muted);
    cursor: pointer;
    margin-right: 4px;
}

.pi-header-sessions-btn:hover {
    background: var(--background-modifier-hover);
    color: var(--text-normal);
}

.pi-header-sessions-btn:focus-visible {
    outline: 2px solid var(--interactive-accent);
    outline-offset: 2px;
}

.pi-messages {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
}

.pi-input-container {
    border-top: 1px solid var(--background-modifier-border);
    padding: 8px 12px;
    min-height: 40px;
}

/* ── Messages ── */
.pi-message {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--background-modifier-border);
    user-select: text;
}

.pi-message:last-child {
    border-bottom: none;
}

.pi-message-label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 4px;
}

.pi-message-label-text {
    font-size: 0.8em;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── User messages ── */
.pi-message-user .pi-message-content {
    background: var(--background-modifier-form-field);
    border-radius: 8px;
    padding: 8px 12px;
}

.pi-message-content,
.pi-message-content * {
    user-select: text;
}

.pi-message-user .pi-message-content p {
    margin: 0;
}

/* ── Steering messages ── */
.pi-message-steer .pi-message-content {
    background: var(--background-modifier-error-hover);
    border-left: 3px solid var(--text-accent);
}

.pi-message-steer .pi-message-label-text {
    color: var(--text-accent);
}

/* ── Assistant messages ── */
.pi-message-assistant .pi-message-content {
    padding: 4px 0;
}

/* Assistant message error display */
.pi-message-assistant .pi-message-error {
    background: var(--background-modifier-error);
    color: var(--text-error);
    padding: 8px 12px;
    border-radius: var(--radius-s);
    margin-bottom: 8px;
    font-size: 0.9em;
}

.pi-message-assistant .pi-message-error strong {
    color: var(--text-error);
}

/* Tighten markdown spacing inside assistant messages */
.pi-message-assistant .pi-message-content > *:first-child {
    margin-top: 0;
}

.pi-message-assistant .pi-message-content > *:last-child {
    margin-bottom: 0;
}

/* ── Tool call messages ── */
.pi-message-tool details {
    border: 1px solid var(--background-modifier-border);
    border-radius: 4px;
    padding: 4px 8px;
}

.pi-message-tool summary {
    cursor: pointer;
    font-family: var(--font-monospace);
    font-size: 0.85em;
    padding: 4px 0;
    user-select: none;
}

.pi-message-tool summary:hover {
    color: var(--text-accent);
}

.pi-tool-name {
    color: var(--text-normal);
}

.pi-tool-error-indicator {
    color: var(--text-error);
    margin-left: 4px;
}

.pi-message-tool-error details {
    border-color: var(--text-error);
}

.pi-tool-body {
    padding: 8px 0 4px;
}

.pi-tool-section-label {
    font-size: 0.75em;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.pi-tool-args pre,
.pi-tool-result pre {
    font-size: 0.85em;
    margin: 0;
    padding: 6px 8px;
    background: var(--background-primary-alt);
    border-radius: 4px;
    overflow-x: auto;
}

.pi-tool-result {
    margin-top: 8px;
}

.pi-tool-result-content {
    max-height: 300px;
    overflow-y: auto;
}

/* ── Input area ── */
.pi-input-area {
    display: flex;
    align-items: flex-end;
    gap: 8px;
}

.pi-input-textarea {
    flex: 1;
    resize: none;
    min-height: 36px;
    height: var(--pi-input-height, 36px);
    max-height: 200px;
    border: 1px solid var(--background-modifier-border);
    border-radius: 6px;
    padding: 8px;
    background: var(--background-primary);
    color: var(--text-normal);
    font-family: var(--font-text);
    font-size: var(--font-text-size);
    line-height: 1.4;
    overflow-y: auto;
}

.pi-input-textarea:focus {
    outline: none;
    border-color: var(--interactive-accent);
}

.pi-input-textarea.pi-input-disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ── Abort button ── */
.pi-abort-btn {
    padding: 4px 12px;
    border-radius: 4px;
    background: var(--color-red);
    color: var(--text-on-accent);
    border: none;
    cursor: pointer;
    font-size: 0.85em;
    white-space: nowrap;
    flex-shrink: 0;
}

.pi-abort-btn:hover {
    background: var(--color-red);
    filter: brightness(0.85);
}

.pi-abort-btn:focus-visible {
    outline: 2px solid var(--interactive-accent);
    outline-offset: 2px;
}

/* ── Attachment chips ── */
.pi-attachments {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 4px 0;
}

.pi-attachment-chip {
    display: flex;
    align-items: center;
    gap: 4px;
    background: var(--background-secondary);
    border-radius: 12px;
    padding: 2px 8px;
    font-size: 0.8em;
}

.pi-attachment-name {
    max-width: 150px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.pi-attachment-remove {
    cursor: pointer;
    opacity: 0.6;
    font-size: 1.1em;
    line-height: 1;
}

.pi-attachment-remove:hover {
    opacity: 1;
}

.pi-attachment-thumb {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    object-fit: cover;
    border-radius: 2px;
}

/* ── Thinking ── */
.pi-thinking {
    margin-bottom: 8px;
    font-size: 0.85em;
    color: var(--text-muted);
}

.pi-thinking summary {
    cursor: pointer;
    user-select: none;
    font-style: italic;
}

.pi-thinking-content {
    padding: 4px 0 4px 12px;
    border-left: 2px solid var(--background-modifier-border);
    margin-top: 4px;
    white-space: pre-wrap;
}

/* Live thinking — pulsing summary while streaming */
.pi-thinking-live summary {
    animation: pi-pulse 1.5s ease-in-out infinite;
}

.pi-thinking-live .pi-thinking-content {
    max-height: 300px;
    overflow-y: auto;
}

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

/* ── Status bar ── */
.pi-status-bar {
    padding: 0 8px;
}

/* ── Command suggest ── */
.pi-command-suggest-item {
    padding: 4px 0;
}

.pi-command-header {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pi-command-name {
    font-weight: 600;
    font-family: var(--font-monospace);
    font-size: 0.9em;
}

.pi-command-source {
    font-size: 0.7em;
    color: var(--text-faint);
    background: var(--background-primary-alt);
    padding: 0 4px;
    border-radius: 4px;
}

.pi-command-desc {
    color: var(--text-muted);
    font-size: 0.8em;
    margin-top: 2px;
}

/* ── Read-only banner ── */
.pi-readonly-banner {
    padding: 6px 12px;
    background: var(--background-secondary);
    border-top: 1px solid var(--background-modifier-border);
    color: var(--text-muted);
    font-size: 0.85em;
    text-align: center;
}

/* ── Session list modal ── */
.pi-session-suggest-item {
    padding: 4px 0;
}

.pi-session-date {
    font-weight: 600;
    font-size: 0.9em;
    color: var(--text-normal);
}

.pi-session-preview {
    color: var(--text-muted);
    font-size: 0.8em;
    margin-top: 2px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Rewind button (user message actions) ── */
.pi-message-actions {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    transition: opacity 120ms ease;
}

.pi-message-user:hover .pi-message-actions,
.pi-message-user:focus-within .pi-message-actions {
    opacity: 1;
}

.pi-message-rewind-btn {
    border: 1px solid var(--background-modifier-border);
    background: var(--background-secondary);
    color: var(--text-muted);
    border-radius: 6px;
    padding: 1px 6px;
    font-size: 12px;
    line-height: 18px;
    cursor: pointer;
}

.pi-message-rewind-btn:hover {
    color: var(--text-normal);
    background: var(--background-modifier-hover);
}

.pi-message-rewind-btn.is-disabled,
.pi-message-rewind-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ── Return to latest banner ── */
.pi-return-banner {
    margin: 8px 12px;
    padding: 8px 10px;
    border: 1px solid var(--background-modifier-border);
    border-radius: 8px;
    background: var(--background-secondary);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.pi-return-banner-text {
    font-size: 0.85em;
}

.pi-return-latest-btn {
    border: 1px solid var(--interactive-accent);
    background: var(--interactive-accent);
    color: var(--text-on-accent);
    border-radius: 6px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 0.85em;
}

.pi-return-latest-btn:hover {
    filter: brightness(0.9);
}

.pi-return-latest-btn:focus-visible {
    outline: 2px solid var(--text-normal);
    outline-offset: 2px;
}

/* ── Thinking indicator (waiting for Pi) ── */
.pi-thinking-indicator {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--background-modifier-border);
}

.pi-thinking-indicator-content {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 4px 0;
    font-size: 0.85em;
    color: var(--text-muted);
}

.pi-thinking-dots {
    display: inline-flex;
    gap: 2px;
}

.pi-thinking-dots::before,
.pi-thinking-dots::after {
    content: "";
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 50%;
    animation: pi-bounce 1.4s ease-in-out infinite;
}

.pi-thinking-dots::before {
    animation-delay: 0s;
}

.pi-thinking-dots::after {
    animation-delay: 0.2s;
    margin-left: 2px;
}

/* Third dot using text trick */
.pi-thinking-text::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 50%;
    margin-right: 4px;
    animation: pi-bounce 1.4s ease-in-out infinite;
    animation-delay: 0.4s;
}

@keyframes pi-bounce {
    0%, 80%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    40% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

/* ── Permission Modal ── */
.pi-permission-modal {
    padding: 20px;
    max-width: 500px;
}

.pi-permission-modal h2 {
    margin-bottom: 16px;
    text-align: center;
}

.pi-permission-modal p {
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-muted);
}

.pi-permission-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.pi-permission-option-btn {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--background-modifier-border);
    background: var(--background-secondary);
    color: var(--text-normal);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    text-align: left;
    transition: background 0.15s, border-color 0.15s;
}

.pi-permission-option-btn:hover {
    background: var(--background-modifier-hover);
    border-color: var(--interactive-accent);
}

.pi-permission-cancel-btn {
    width: 100%;
    padding: 10px 16px;
    border: none;
    background: var(--background-modifier-error);
    color: var(--text-on-accent);
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.15s;
}

.pi-permission-cancel-btn:hover {
    background: var(--text-error);
}

.pi-permission-buttons {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.pi-permission-buttons button {
    flex: 1;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.15s;
}

.pi-permission-confirm-btn {
    border: none;
    background: var(--interactive-accent);
    color: var(--text-on-accent);
}

.pi-permission-confirm-btn:hover {
    background: var(--interactive-accent-hover);
}

.pi-permission-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--background-modifier-border);
    background: var(--background-primary);
    color: var(--text-normal);
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 16px;
}

.pi-permission-input:focus {
    border-color: var(--interactive-accent);
    outline: none;
}

/* ── API Key Info Section (Settings) ── */
.pi-api-key-info {
    padding: 12px;
    margin-bottom: 16px;
    background: var(--background-secondary);
    border-radius: 8px;
    border: 1px solid var(--background-modifier-border);
}

.pi-api-key-info p {
    margin: 4px 0;
    font-size: 0.85em;
    color: var(--text-muted);
}

.pi-api-key-info code {
    background: var(--background-primary-alt);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
}

.pi-api-keys-missing {
    color: var(--text-error);
}

.pi-api-keys-detected {
    color: var(--text-success);
}

.pi-env-status-ok {
    color: var(--text-success);
}

.pi-env-status-missing {
    color: var(--text-error);
}

/* ── API Key Input Width (Settings) ── */
.pi-api-key-input {
    width: 100%;
}

/* ── API Key Required for Selected Provider (highlighted) ── */
.setting-item.pi-api-key-setting .pi-api-key-input.pi-api-key-required {
    border-color: var(--interactive-accent);
    box-shadow: 0 0 0 1px var(--interactive-accent);
}

.setting-item.pi-api-key-setting .pi-api-key-input.pi-api-key-required:focus {
    border-color: var(--interactive-accent);
    box-shadow: 0 0 0 2px var(--interactive-accent);
}