/* Beepscript Workspace Styles
   Multi-tab code editor with playback.
   Uses CSS variables from style.css for theming. */

/* ==========================================================================
   Page layout — full viewport flex column
   ========================================================================== */

body.workspace-page {
    margin: 0;
    padding: 0;
    background: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* ==========================================================================
   Toolbar (init status + volume + panic)
   ========================================================================== */

.workspace-toolbar {
    display: flex;
    align-items: center;
    padding: 0.35rem 1rem;
    background: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-primary);
    gap: 1rem;
    flex-shrink: 0;
}

.workspace-toolbar .init-status {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.workspace-toolbar .init-status.ready {
    color: var(--success-text);
}

.workspace-toolbar .init-status.error {
    color: var(--error-text);
}

.workspace-toolbar .toolbar-right {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.workspace-toolbar .volume-group {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.workspace-toolbar .volume-group input[type="range"] {
    width: 80px;
    accent-color: var(--accent-range);
}

.workspace-toolbar .volume-value {
    min-width: 2.5em;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.workspace-toolbar .panic-btn {
    background: #d32f2f;
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: opacity 0.15s;
}

.workspace-toolbar .panic-btn:hover {
    opacity: 0.85;
}

/* ==========================================================================
   Tab bar
   ========================================================================== */

.workspace-tab-bar {
    display: flex;
    align-items: stretch;
    background: var(--bg-toolbar);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
    min-height: 34px;
}

.tabs-scroll {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    flex: 1;
    scrollbar-width: thin;
    scrollbar-color: var(--border-secondary) transparent;
}

.tabs-scroll::-webkit-scrollbar {
    height: 3px;
}

.tabs-scroll::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 2px;
}

.tab-btn {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-secondary);
    border: none;
    border-right: 1px solid var(--border-primary);
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-family: inherit;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.1s, color 0.1s;
    position: relative;
}

.tab-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--bg-editor);
    color: var(--text-primary);
    border-bottom: 2px solid var(--accent-color);
}

.tab-btn .tab-name {
    pointer-events: none;
}

.tab-btn .tab-name[contenteditable="true"] {
    pointer-events: auto;
    outline: 1px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: 2px;
    padding: 0 2px;
    cursor: text;
    min-width: 2em;
}

.tab-btn .tab-playing {
    color: var(--success-text);
    font-size: 0.7rem;
    animation: pulse-playing 1s ease-in-out infinite;
}

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

.tab-btn .tab-close {
    font-size: 0.9rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0 2px;
    border-radius: 3px;
    pointer-events: auto;
}

.tab-btn .tab-close:hover {
    color: var(--error-text);
    background: var(--error-bg);
}

.tab-bar-actions {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0 0.5rem;
    border-left: 1px solid var(--border-primary);
}

.tab-new-btn,
.tab-open-btn {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: inherit;
    transition: background 0.1s, color 0.1s;
}

.tab-new-btn:hover,
.tab-open-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ==========================================================================
   Editor area
   ========================================================================== */

.workspace-editor-area {
    flex: 1;
    overflow: hidden;
    position: relative;
    background: var(--bg-editor);
}

/* CodeMirror fills the container */
.workspace-editor-area .cm-editor {
    height: 100%;
}

.workspace-editor-area .cm-scroller {
    overflow: auto;
}

/* ==========================================================================
   Action bar
   ========================================================================== */

.workspace-action-bar {
    display: flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    background: var(--bg-editor-toolbar);
    border-top: 1px solid var(--border-primary);
    gap: 0.4rem;
    flex-shrink: 0;
    flex-wrap: wrap;
}

.workspace-action-bar .action-group-left {
    display: flex;
    gap: 0.35rem;
}

.workspace-action-bar .action-group-right {
    display: flex;
    gap: 0.35rem;
    margin-left: auto;
}

.workspace-action-bar .action-status {
    flex: 1;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.workspace-action-bar button {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.3rem 0.7rem;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid;
    font-family: inherit;
    transition: opacity 0.15s;
    white-space: nowrap;
}

.workspace-action-bar button:hover {
    opacity: 0.85;
}

.workspace-action-bar button kbd {
    font-family: inherit;
    font-size: 0.68rem;
    font-weight: 400;
    opacity: 0.6;
    margin-left: 0.2rem;
}

.workspace-action-bar .btn-play {
    background: var(--btn-play-bg);
    border-color: var(--btn-play-border);
    color: var(--btn-play-text);
}

.workspace-action-bar .btn-stop {
    background: var(--btn-stop-bg);
    border-color: var(--btn-stop-border);
    color: var(--btn-stop-text);
}

.workspace-action-bar .btn-run-sel {
    background: #1a2a2a;
    border-color: #2d4f4f;
    color: #4fc3f7;
}

[data-theme="light"] .workspace-action-bar .btn-run-sel {
    background: #e0f7fa;
    border-color: #80deea;
    color: #00838f;
}

.workspace-action-bar .btn-wav {
    background: var(--btn-download-bg);
    border-color: var(--btn-download-border);
    color: var(--btn-download-text);
}

.workspace-action-bar .btn-beep {
    background: var(--btn-reset-bg);
    border-color: var(--btn-reset-border);
    color: var(--btn-reset-text);
}

.workspace-action-bar .action-status.playing {
    color: var(--success-text);
}

.workspace-action-bar .action-status.error {
    color: var(--error-text);
}

.workspace-action-bar .action-status.info {
    color: var(--btn-download-text);
}

/* ==========================================================================
   Context menu
   ========================================================================== */

.workspace-context-menu {
    position: fixed;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    padding: 0.25rem 0;
    min-width: 180px;
    z-index: 1000;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

.workspace-context-menu .ctx-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.4rem 0.75rem;
    font-size: 0.82rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s;
}

.workspace-context-menu .ctx-item:hover {
    background: var(--bg-hover);
}

.workspace-context-menu .ctx-item.disabled {
    color: var(--text-muted);
    pointer-events: none;
}

.workspace-context-menu .ctx-item .ctx-shortcut {
    color: var(--text-muted);
    font-size: 0.72rem;
    margin-left: 1.5rem;
}

.workspace-context-menu .ctx-separator {
    height: 1px;
    background: var(--border-primary);
    margin: 0.25rem 0;
}

/* ==========================================================================
   Drag-drop overlay
   ========================================================================== */

.drag-drop-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 500;
    pointer-events: none;
}

.drag-drop-overlay.visible {
    display: flex;
}

.drag-drop-overlay .drop-message {
    background: var(--bg-secondary);
    border: 3px dashed var(--accent-color);
    border-radius: 16px;
    padding: 3rem 4rem;
    font-size: 1.3rem;
    color: var(--text-primary);
    text-align: center;
}

/* ==========================================================================
   Open File modal
   ========================================================================== */

.open-file-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 900;
}

.open-file-modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 12px;
    width: 420px;
    max-width: 90vw;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    overflow: hidden;
}

.open-file-modal .ofm-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--border-primary);
}

.open-file-modal .ofm-header h3 {
    margin: 0;
    font-size: 1rem;
    color: var(--text-primary);
}

.open-file-modal .ofm-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    border-radius: 4px;
}

.open-file-modal .ofm-close:hover {
    color: var(--error-text);
    background: var(--error-bg);
}

.open-file-modal .ofm-body {
    padding: 1.25rem;
}

.open-file-modal .ofm-drop-zone {
    border: 2px dashed var(--border-secondary);
    border-radius: 10px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}

.open-file-modal .ofm-drop-zone.dragging {
    border-color: var(--accent-color);
    background: rgba(59, 130, 246, 0.05);
}

.open-file-modal .ofm-drop-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.open-file-modal .ofm-drop-zone p {
    margin: 0.3rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.open-file-modal .ofm-drop-hint {
    color: var(--text-muted) !important;
    font-size: 0.8rem !important;
    margin: 0.6rem 0 !important;
}

.open-file-modal .ofm-browse-btn {
    background: var(--accent-color);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 0.5rem 1.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: opacity 0.15s;
}

.open-file-modal .ofm-browse-btn:hover {
    opacity: 0.85;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 700px) {
    .workspace-toolbar .volume-group label {
        display: none;
    }

    .workspace-action-bar {
        gap: 0.25rem;
        padding: 0.25rem 0.5rem;
    }

    .workspace-action-bar button {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }

    .workspace-action-bar button kbd {
        display: none;
    }
}