Upload static/style.css with huggingface_hub

static/style.css

@@ -1,4 +1,32 @@
 /* DeepSeek V4 Flash Ultra-Minimalist & Mobile-Friendly Style Sheet */
+
+/* ── Gradio overrides ─────────────────────────────────────────────────── */
+/* Hide the default Gradio container padding and background */
+.gradio-container,
+.contain {
+    max-width: 100% !important;
+    padding: 0 !important;
+    margin: 0 !important;
+    background: transparent !important;
+    border: none !important;
+}
+
+/* Hide hidden Gradio components */
+.component-3,
+[data-testid="textbox"]:not(#custom-app-root *) {
+    display: none !important;
+}
+
+/* Make sure our app container fills the viewport */
+#custom-app-root {
+    width: 100%;
+    height: 100vh;
+    overflow: hidden;
+}
+
+#custom-app-root > .app-container {
+    height: 100vh;
+}
 :root {
     --bg-primary: #f8f9fa;
     --bg-workspace: #f8f9fa;
@@ -33,12 +61,14 @@
     --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
     --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
     --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
-    
-    --sidebar-left-width: 260px;
 }
 
 /* Reset Rules */
-* { margin: 0; padding: 0; box-sizing: border-box; }
+* {
+    margin: 0;
+    padding: 0;
+    box-sizing: border-box;
+}
 
 body {
     background-color: var(--bg-primary);
@@ -52,10 +82,24 @@ body {
     -webkit-font-smoothing: antialiased;
 }
 
-::-webkit-scrollbar { width: 4px; height: 4px; }
-::-webkit-scrollbar-track { background: transparent; }
-::-webkit-scrollbar-thumb { background: #e5e7eb; border-radius: 10px; }
-::-webkit-scrollbar-thumb:hover { background: #cbd5e1; }
+/* Custom Scrollbars */
+::-webkit-scrollbar {
+    width: 4px;
+    height: 4px;
+}
+
+::-webkit-scrollbar-track {
+    background: transparent;
+}
+
+::-webkit-scrollbar-thumb {
+    background: #e5e7eb;
+    border-radius: 10px;
+}
+
+::-webkit-scrollbar-thumb:hover {
+    background: #cbd5e1;
+}
 
 /* Parent container */
 .app-container {
@@ -66,84 +110,130 @@ body {
     position: relative;
 }
 
-/* ============================================================
-   LEFT SIDEBAR: Chat History
-   ============================================================ */
+/* ── Left Sidebar: Chat History ─────────────────────────────────────── */
 .sidebar-left {
-    width: var(--sidebar-left-width);
-    min-width: var(--sidebar-left-width);
-    background-color: var(--bg-card);
+    width: 280px;
+    min-width: 280px;
+    background-color: var(--bg-sidebar);
     border-right: 1px solid var(--border-color);
     display: flex;
     flex-direction: column;
-    height: 100%;
-    z-index: 10;
-    transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
-                min-width 0.25s cubic-bezier(0.4, 0, 0.2, 1),
-                opacity 0.15s ease;
-    overflow: hidden;
-}
-
-.sidebar-left.collapsed {
-    width: 0;
-    min-width: 0;
-    border-right: none;
-    opacity: 0;
-    pointer-events: none;
+    z-index: 20;
+    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
 }
 
 .left-sidebar-header {
-    height: 56px;
+    padding: 14px 16px;
     border-bottom: 1px solid var(--border-color);
     display: flex;
-    align-items: center;
     justify-content: space-between;
-    padding: 0 12px 0 16px;
-    flex-shrink: 0;
+    align-items: center;
 }
 
-.left-sidebar-header .header-brand {
+/* User profile section */
+.user-profile-section {
     display: flex;
     align-items: center;
-    gap: 8px;
-    overflow: hidden;
+    gap: 10px;
+    padding: 12px 16px;
+    border-bottom: 1px solid var(--border-light);
 }
 
-.left-sidebar-actions {
-    padding: 10px 12px;
+.user-avatar {
+    width: 32px;
+    height: 32px;
+    border-radius: 50%;
+    background-color: var(--btn-light-bg);
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 14px;
+    font-weight: 600;
+    color: var(--text-muted);
     flex-shrink: 0;
+    transition: var(--transition-smooth);
+}
+
+.user-avatar.logged-in {
+    background-color: #111827;
+    color: #ffffff;
+}
+
+.user-info-text {
+    flex: 1;
+    min-width: 0;
+}
+
+.user-display-name {
+    font-size: 12px;
+    font-weight: 600;
+    color: var(--text-primary);
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.hf-login-btn {
+    display: inline-block;
+    margin-top: 4px;
+    padding: 3px 10px;
+    font-size: 10px;
+    font-weight: 600;
+    font-family: var(--font-body);
+    color: #ffffff;
+    background-color: #111827;
+    border: none;
+    border-radius: var(--border-radius-pill);
+    cursor: pointer;
+    transition: var(--transition-smooth);
+}
+
+.hf-login-btn:hover {
+    background-color: #374151;
+}
+
+.hf-login-btn.logged-in {
+    background-color: transparent;
+    color: var(--danger);
+    border: 1px solid var(--border-color);
 }
 
+.hf-login-btn.logged-in:hover {
+    background-color: #fef2f2;
+    border-color: #fecaca;
+}
+
+/* New Chat button */
 .new-chat-btn {
-    width: 100%;
     display: flex;
     align-items: center;
-    justify-content: center;
     gap: 8px;
-    padding: 8px 16px;
-    border: 1px dashed var(--border-color);
+    margin: 12px 16px 8px;
+    padding: 8px 14px;
     border-radius: var(--border-radius-sm);
-    background: transparent;
+    background-color: var(--bg-card);
+    border: 1px dashed var(--border-color);
     color: var(--text-secondary);
-    font-family: var(--font-body);
     font-size: 12px;
     font-weight: 500;
+    font-family: var(--font-body);
     cursor: pointer;
     transition: var(--transition-smooth);
+    width: calc(100% - 32px);
 }
 
 .new-chat-btn:hover {
-    background-color: var(--btn-light-bg);
     border-color: #cbd5e1;
     color: var(--text-primary);
+    background-color: var(--btn-light-bg);
     border-style: solid;
 }
 
-/* Chat History List */
+/* Chat history list */
 .chat-history-list {
     flex: 1;
     overflow-y: auto;
-    padding: 4px 8px;
+    padding: 8px 12px;
     display: flex;
     flex-direction: column;
     gap: 2px;
@@ -153,20 +243,19 @@ body {
     font-size: 11px;
     color: var(--text-muted);
     text-align: center;
-    padding: 20px 8px;
-    font-style: italic;
+    padding: 20px 10px;
+    line-height: 1.6;
 }
 
 .chat-history-item {
     display: flex;
     align-items: center;
-    justify-content: space-between;
+    gap: 4px;
     padding: 8px 10px;
     border-radius: var(--border-radius-sm);
     cursor: pointer;
     transition: var(--transition-smooth);
-    gap: 6px;
-    min-width: 0;
+    position: relative;
 }
 
 .chat-history-item:hover {
@@ -178,110 +267,85 @@ body {
     border: 1px solid rgba(37, 99, 235, 0.15);
 }
 
-.chat-item-content {
-    display: flex;
-    align-items: center;
-    gap: 8px;
+.history-item-content {
     flex: 1;
     min-width: 0;
-    color: var(--text-secondary);
-}
-
-.chat-item-content svg {
-    flex-shrink: 0;
-    opacity: 0.5;
+    overflow: hidden;
 }
 
-.chat-item-title {
+.history-item-title {
     font-size: 12px;
     font-weight: 500;
+    color: var(--text-primary);
     white-space: nowrap;
     overflow: hidden;
     text-overflow: ellipsis;
-    color: var(--text-primary);
 }
 
-.chat-item-date {
-    font-size: 9px;
+.history-item-meta {
+    font-size: 9.5px;
     color: var(--text-muted);
-    flex-shrink: 0;
-    margin-left: auto;
+    margin-top: 2px;
 }
 
-.chat-item-delete {
-    opacity: 0;
-    background: transparent;
+.history-item-delete {
+    width: 22px;
+    height: 22px;
+    border-radius: 4px;
     border: none;
+    background: transparent;
     color: var(--text-muted);
     cursor: pointer;
-    padding: 4px;
     display: flex;
     align-items: center;
-    border-radius: 4px;
+    justify-content: center;
+    opacity: 0;
     transition: var(--transition-smooth);
     flex-shrink: 0;
 }
 
-.chat-history-item:hover .chat-item-delete {
+.chat-history-item:hover .history-item-delete {
     opacity: 1;
 }
 
-.chat-item-delete:hover {
-    color: var(--danger);
+.history-item-delete:hover {
     background-color: #fef2f2;
+    color: var(--danger);
 }
 
-/* User Profile Footer */
 .left-sidebar-footer {
+    padding: 10px 16px;
     border-top: 1px solid var(--border-color);
-    padding: 10px 12px;
-    flex-shrink: 0;
 }
 
-.user-profile {
-    display: flex;
-    align-items: center;
-    gap: 10px;
+/* Left sidebar overlay (mobile) */
+.sidebar-overlay-left {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background-color: rgba(0, 0, 0, 0.2);
+    backdrop-filter: blur(1.5px);
+    z-index: 15;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.2s ease;
 }
 
-.user-avatar {
-    width: 32px;
-    height: 32px;
-    border-radius: 50%;
-    background-color: var(--btn-light-bg);
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    color: var(--text-muted);
-    flex-shrink: 0;
-    overflow: hidden;
+.sidebar-overlay-left.active {
+    opacity: 1;
+    pointer-events: auto;
 }
 
-.user-info {
-    flex: 1;
-    min-width: 0;
+/* Header left group */
+.header-left-group {
     display: flex;
-    flex-direction: column;
-    gap: 1px;
-}
-
-.user-name {
-    font-size: 12px;
-    font-weight: 600;
-    color: var(--text-primary);
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-.user-status {
-    font-size: 9.5px;
-    color: var(--text-muted);
+    align-items: center;
+    gap: 12px;
 }
 
-/* ============================================================
-   MAIN WORKSPACE
-   ============================================================ */
+/* Main Workspace taking remaining width */
 .main-workspace {
     flex: 1;
     display: flex;
@@ -293,7 +357,7 @@ body {
     min-width: 0;
 }
 
-/* Header Bar */
+/* Clean Header Bar */
 .workspace-header {
     height: 56px;
     border-bottom: 1px solid var(--border-color);
@@ -305,27 +369,34 @@ body {
     z-index: 10;
 }
 
-.header-left-group {
+.header-brand {
     display: flex;
     align-items: center;
     gap: 10px;
 }
 
-.chat-title-header {
+.brand-logo-img {
+    width: 24px;
+    height: 24px;
+    object-fit: contain;
+    border-radius: 50%;
+    flex-shrink: 0;
+}
+
+.brand-name {
     font-family: var(--font-heading);
-    font-size: 14px;
-    font-weight: 600;
+    font-size: 15px;
+    font-weight: 700;
+    letter-spacing: -0.3px;
     color: var(--text-primary);
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    max-width: 300px;
 }
 
-.mobile-only { display: none !important; }
-
-.header-actions { display: flex; gap: 8px; }
+.header-actions {
+    display: flex;
+    gap: 8px;
+}
 
+/* Simplified Header Buttons */
 .header-btn {
     appearance: none;
     -webkit-appearance: none;
@@ -346,12 +417,29 @@ body {
     outline: none;
     box-shadow: var(--shadow-sm);
 }
-.header-btn:hover { background-color: var(--btn-light-bg); border-color: #cbd5e1; color: var(--text-primary); }
-.header-btn:active { background-color: var(--btn-light-hover); transform: scale(0.98); }
-.header-btn svg { flex-shrink: 0; }
+
+.header-btn:hover {
+    background-color: var(--btn-light-bg);
+    border-color: #cbd5e1;
+    color: var(--text-primary);
+}
+
+.header-btn:active {
+    background-color: var(--btn-light-hover);
+    transform: scale(0.98);
+}
+
+.header-btn svg {
+    flex-shrink: 0;
+}
 
 /* Viewport Layout */
-.workspace-viewport { flex: 1; overflow-y: auto; display: flex; flex-direction: column; }
+.workspace-viewport {
+    flex: 1;
+    overflow-y: auto;
+    display: flex;
+    flex-direction: column;
+}
 
 /* Studio Dashboard (Empty state) */
 .studio-dashboard {
@@ -388,233 +476,1036 @@ body {
     transition: var(--transition-smooth);
     margin-bottom: 36px;
 }
-.console-box:focus-within { border-color: var(--border-focus); box-shadow: var(--shadow-lg); }
-.console-box textarea {
-    width: 100%; border: none; outline: none; resize: none;
-    font-family: var(--font-body); font-size: 14.5px; color: var(--text-primary);
-    background: transparent; line-height: 1.45; min-height: 50px;
-}
-.console-box textarea::placeholder { color: var(--text-muted); }
-
-.inner-shelf-preview, .mini-shelf-preview { display: flex; flex-wrap: wrap; gap: 6px; padding-bottom: 2px; }
 
-.console-action-row { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-light); padding-top: 10px; }
-
-.circle-btn-action {
-    width: 28px; height: 28px; border-radius: 50%;
-    border: 1px solid var(--border-color); background: transparent;
-    color: var(--text-secondary); cursor: pointer;
-    display: flex; align-items: center; justify-content: center;
-    transition: var(--transition-smooth); outline: none;
+.console-box:focus-within {
+    border-color: var(--border-focus);
+    box-shadow: var(--shadow-lg);
 }
-.circle-btn-action:hover { background-color: var(--btn-light-bg); color: var(--text-primary); }
 
-.circle-btn-send {
-    width: 28px; height: 28px; border-radius: 50%; border: none;
-    background-color: #1f2937; color: #ffffff; cursor: pointer;
-    display: flex; align-items: center; justify-content: center;
-    transition: var(--transition-smooth); outline: none;
+.console-box textarea {
+    width: 100%;
+    border: none;
+    outline: none;
+    resize: none;
+    font-family: var(--font-body);
+    font-size: 14.5px;
+    color: var(--text-primary);
+    background: transparent;
+    line-height: 1.45;
+    min-height: 50px;
 }
-.circle-btn-send:hover { background-color: #111827; }
 
-/* Showcase chips */
-.showcase-section { width: 100%; }
-.showcase-title { font-size: 12.5px; color: var(--text-secondary); margin-bottom: 12px; text-align: center; font-weight: 500; }
-.showcase-chips-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
+.console-box textarea::placeholder {
+    color: var(--text-muted);
+}
 
-.recipe-chip {
-    display: flex; align-items: center; gap: 8px; padding: 8px 16px;
-    border-radius: var(--border-radius-pill); background-color: var(--bg-card);
-    border: 1px solid var(--border-color); cursor: pointer;
-    transition: var(--transition-smooth); font-size: 12px; font-weight: 500;
-    color: var(--text-secondary); box-shadow: var(--shadow-sm);
+/* Inner preview shelf inside console drawer */
+.inner-shelf-preview,
+.mini-shelf-preview {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 6px;
+    padding-bottom: 2px;
 }
-.recipe-chip:hover { background-color: var(--btn-light-bg); border-color: #cbd5e1; color: var(--text-primary); transform: translateY(-1px); }
-.recipe-chip:active { transform: translateY(0); }
-.chip-icon { font-size: 14px; }
 
-/* Chat thread viewport */
-.chat-thread-container { flex: 1; display: flex; flex-direction: column; height: 100%; overflow: hidden; }
+.console-action-row {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    border-top: 1px solid var(--border-light);
+    padding-top: 10px;
+}
 
-.chat-messages-feed {
-    flex: 1; overflow-y: auto; padding: 24px;
-    display: flex; flex-direction: column; gap: 24px;
-    max-width: 680px; width: 100%; margin: 0 auto;
+/* Action button circle */
+.circle-btn-action {
+    width: 28px;
+    height: 28px;
+    border-radius: 50%;
+    border: 1px solid var(--border-color);
+    background: transparent;
+    color: var(--text-secondary);
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: var(--transition-smooth);
+    outline: none;
 }
 
-/* Message bubbles */
-.message-bubble { display: flex; flex-direction: column; gap: 4px; max-width: 90%; animation: slideUp 0.25s ease-out; }
-.message-bubble.user { align-self: flex-end; }
-.message-bubble.assistant { align-self: flex-start; width: 100%; max-width: 100%; }
-.message-meta { font-size: 10px; color: var(--text-muted); font-weight: 600; margin: 0 4px; }
-.message-bubble.user .message-meta { text-align: right; }
-.message-body { padding: 10px 14px; border-radius: var(--border-radius-md); font-size: 13.5px; line-height: 1.5; box-shadow: var(--shadow-sm); }
-.message-bubble.user .message-body { background-color: var(--btn-light-bg); border: 1px solid var(--border-color); color: var(--text-primary); border-bottom-right-radius: 4px; }
-.message-bubble.assistant .message-body { background-color: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-primary); border-bottom-left-radius: 4px; }
-
-/* Bubble attachments */
-.bubble-attachments { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 6px; margin-top: 8px; max-width: 320px; }
-.bubble-attachment-card { border-radius: var(--border-radius-sm); overflow: hidden; border: 1px solid var(--border-color); background-color: #fafafa; position: relative; aspect-ratio: 16/10; }
-.bubble-attachment-card img, .bubble-attachment-card video { width: 100%; height: 100%; object-fit: cover; }
-.bubble-attachment-label { position: absolute; bottom: 0; left: 0; right: 0; background: rgba(0,0,0,0.6); color: #fff; font-size: 8px; text-align: center; padding: 1px; font-family: var(--font-mono); }
-
-/* Collapsible Thoughts */
-.thought-container { margin-bottom: 12px; border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); overflow: hidden; }
-.thought-header { display: flex; justify-content: space-between; align-items: center; padding: 6px 10px; background-color: #f9fafb; cursor: pointer; user-select: none; transition: var(--transition-smooth); }
-.thought-header:hover { background-color: #f3f4f6; }
-.thought-title-group { display: flex; align-items: center; gap: 6px; font-family: var(--font-heading); font-size: 11px; font-weight: 600; color: var(--text-secondary); }
-.thought-timer { font-family: var(--font-mono); font-size: 9.5px; color: var(--text-muted); }
-.thought-toggle-icon { font-size: 9px; color: var(--text-secondary); transition: transform 0.2s ease; }
-.thought-container.collapsed .thought-toggle-icon { transform: rotate(-90deg); }
-.thought-content { padding: 10px 12px; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-secondary); background-color: #ffffff; border-top: 1px solid var(--border-color); white-space: pre-wrap; max-height: 150px; overflow-y: auto; }
-.thought-container.collapsed .thought-content { display: none; }
-
-/* RP Markdown Styles */
-.rp-narration { font-style: italic; color: #6b7280; background-color: rgba(107,114,128,0.06); padding: 1px 4px; border-radius: 3px; border-left: 2px solid #9ca3af; }
-.rp-dialogue { color: #2563eb; font-weight: 500; background-color: rgba(37,99,235,0.06); padding: 1px 4px; border-radius: 3px; }
-.rp-bold { font-weight: 700; color: #111827; }
-.rp-ooc { color: #9ca3af; font-style: italic; opacity: 0.7; font-size: 0.9em; }
-.rp-divider { border: none; border-top: 1px dashed #d1d5db; margin: 12px 0; }
-
-/* Toggle Switch */
-.toggle-switch { position: relative; display: inline-block; width: 36px; height: 20px; flex-shrink: 0; }
-.toggle-switch input { opacity: 0; width: 0; height: 0; }
-.toggle-slider { position: absolute; cursor: pointer; top: 0; left: 0; right: 0; bottom: 0; background-color: #d1d5db; transition: 0.2s; border-radius: 20px; }
-.toggle-slider:before { position: absolute; content: ""; height: 14px; width: 14px; left: 3px; bottom: 3px; background-color: white; transition: 0.2s; border-radius: 50%; }
-.toggle-switch input:checked + .toggle-slider { background-color: #111827; }
-.toggle-switch input:checked + .toggle-slider:before { transform: translateX(16px); }
-.toggle-switch input:focus + .toggle-slider { box-shadow: 0 0 0 2px rgba(17,24,39,0.2); }
-
-.setting-description { font-size: 10.5px; color: var(--text-muted); line-height: 1.4; padding-top: 2px; }
-
-/* Markdown body */
-.markdown-body h1, .markdown-body h2, .markdown-body h3 { margin-top: 12px; margin-bottom: 4px; font-family: var(--font-heading); font-weight: 600; }
-.markdown-body h1 { font-size: 14.5px; border-bottom: 1px solid var(--border-light); padding-bottom: 2px; }
-.markdown-body h2 { font-size: 13.5px; }
-.markdown-body h3 { font-size: 12.5px; }
-.markdown-body p { margin-bottom: 6px; }
-.markdown-body p:last-child { margin-bottom: 0; }
-.markdown-body code { font-family: var(--font-mono); font-size: 11px; background-color: var(--btn-light-bg); padding: 2px 4px; border-radius: 4px; color: var(--accent-blue); }
-.markdown-body pre { margin: 10px 0; border-radius: var(--border-radius-sm); overflow: hidden; border: 1px solid var(--border-color); }
-.markdown-body pre code { display: block; padding: 10px; overflow-x: auto; background-color: #0f172a !important; color: #e2e8f0; }
-.markdown-body table { width: 100%; border-collapse: collapse; margin: 10px 0; font-size: 12px; }
-.markdown-body th, .markdown-body td { border: 1px solid var(--border-color); padding: 6px 8px; text-align: left; }
-.markdown-body th { background-color: var(--bg-primary); font-weight: 600; }
-
-/* Reply footer */
-.chat-mini-footer { padding: 12px 20px; background-color: var(--bg-workspace); border-top: 1px solid var(--border-color); }
-.chat-mini-footer .console-box { max-width: 680px; margin: 0 auto; box-shadow: var(--shadow-sm); padding: 8px 12px; border-radius: var(--border-radius-md); margin-bottom: 0; }
-
-/* Overlay */
-.sidebar-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background-color: rgba(0,0,0,0.2); backdrop-filter: blur(1.5px); z-index: 990; opacity: 0; pointer-events: none; transition: opacity 0.2s ease; }
-.sidebar-overlay.active { opacity: 1; pointer-events: auto; }
-
-/* Right Settings Drawer */
-.sidebar-right { position: absolute; top: 0; right: 0; bottom: 0; width: 320px; background-color: var(--bg-sidebar); border-left: 1px solid var(--border-color); display: flex; flex-direction: column; z-index: 1000; transition: transform 0.25s cubic-bezier(0.4,0,0.2,1); box-shadow: -4px 0 20px rgba(0,0,0,0.03); transform: translateX(0); }
-.sidebar-right.collapsed { transform: translateX(100%); }
-.right-sidebar-header { padding: 14px 20px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
-.right-sidebar-header h3 { font-family: var(--font-heading); font-size: 13.5px; font-weight: 600; color: var(--text-primary); }
-.close-drawer { border-color: transparent !important; }
-.close-drawer:hover { background-color: var(--btn-light-bg) !important; }
-.sidebar-right-content { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 14px; }
-.right-block-card { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--border-radius-md); padding: 14px; display: flex; flex-direction: column; gap: 10px; }
-.flex-1-card { flex: 1; min-height: 180px; }
-.card-block-header { display: flex; justify-content: space-between; align-items: center; }
-.block-title { font-family: var(--font-heading); font-size: 12px; font-weight: 600; color: var(--text-primary); }
+.circle-btn-action:hover {
+    background-color: var(--btn-light-bg);
+    color: var(--text-primary);
+}
 
-/* System Prompt Textarea */
-.system-prompt-textarea { width: 100%; border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); background-color: #f9fafb; color: var(--text-primary); font-family: var(--font-body); font-size: 12px; line-height: 1.5; padding: 8px 10px; resize: vertical; min-height: 60px; outline: none; transition: var(--transition-smooth); }
-.system-prompt-textarea:focus { border-color: var(--border-focus); background-color: #ffffff; }
-.system-prompt-textarea::placeholder { color: var(--text-muted); }
-
-/* Effort Picker */
-.effort-picker { display: flex; background-color: #f9fafb; border: 1px solid var(--border-color); padding: 2.5px; border-radius: var(--border-radius-sm); gap: 2px; }
-.effort-pill { flex: 1; cursor: pointer; text-align: center; position: relative; }
-.effort-pill input { position: absolute; opacity: 0; width: 0; height: 0; }
-.effort-pill span { display: block; padding: 5px 0; font-size: 11px; font-weight: 500; border-radius: 4px; color: var(--text-secondary); transition: var(--transition-smooth); font-family: var(--font-heading); }
-.effort-pill input:checked + span { background-color: #111827; color: #ffffff; }
-.effort-pill:hover span:not(input:checked + span) { color: var(--text-primary); background-color: rgba(0,0,0,0.02); }
+/* Send button dark circle */
+.circle-btn-send {
+    width: 28px;
+    height: 28px;
+    border-radius: 50%;
+    border: none;
+    background-color: #1f2937;
+    color: #ffffff;
+    cursor: pointer;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    transition: var(--transition-smooth);
+    outline: none;
+}
 
-/* Slider Input */
-.slider-input { -webkit-appearance: none; appearance: none; width: 100%; height: 4px; border-radius: 2px; background-color: #e5e7eb; outline: none; cursor: pointer; }
-.slider-input::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 14px; height: 14px; border-radius: 50%; background-color: #111827; cursor: pointer; transition: var(--transition-smooth); }
-.slider-input::-webkit-slider-thumb:hover { background-color: #1f2937; transform: scale(1.1); }
-.slider-input::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background-color: #111827; cursor: pointer; border: none; }
-.block-value { font-family: var(--font-mono); font-size: 11px; color: var(--text-secondary); font-weight: 500; }
+.circle-btn-send:hover {
+    background-color: #111827;
+}
 
-/* Code Block Copy Button */
-.code-block-wrapper { position: relative; }
-.code-block-wrapper .copy-code-btn { position: absolute; top: 6px; right: 6px; background-color: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); color: #9ca3af; font-size: 10px; font-family: var(--font-mono); padding: 2px 8px; border-radius: 4px; cursor: pointer; transition: var(--transition-smooth); }
-.code-block-wrapper .copy-code-btn:hover { background-color: rgba(255,255,255,0.2); color: #e5e7eb; }
-
-/* Media chips */
-.media-chip { display: flex; align-items: center; background-color: #f9fafb; border: 1px solid var(--border-color); border-radius: var(--border-radius-sm); padding: 5px 8px; gap: 8px; transition: var(--transition-smooth); }
-.media-chip-preview { width: 24px; height: 24px; border-radius: 4px; object-fit: cover; background-color: #eaeaea; flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-size: 10px; }
-.media-chip-preview img { width: 100%; height: 100%; object-fit: cover; }
-.media-chip-details { flex: 1; min-width: 0; }
-.media-chip-name { font-size: 10.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text-primary); }
-.media-chip-meta { font-size: 9px; color: var(--text-muted); display: flex; gap: 4px; }
-.media-chip-remove { background: transparent; border: none; color: var(--text-muted); cursor: pointer; padding: 3px; display: flex; }
-.media-chip-remove:hover { color: var(--danger); }
-
-/* Quick preview */
-.quick-preview-item { width: 32px; height: 32px; border-radius: var(--border-radius-sm); border: 1px solid var(--border-color); overflow: hidden; position: relative; flex-shrink: 0; }
-.quick-preview-item img { width: 100%; height: 100%; object-fit: cover; }
-.quick-preview-badge { position: absolute; top: 1.5px; right: 1.5px; background-color: var(--accent-blue); width: 6px; height: 6px; border-radius: 50%; }
-
-.shelf-list { display: flex; flex-direction: column; gap: 6px; overflow-y: auto; }
-.empty-shelf-text { font-size: 10.5px; color: var(--text-muted); text-align: center; padding: 8px 0; font-style: italic; }
-
-.right-sidebar-footer { padding: 10px 16px; border-top: 1px solid var(--border-color); }
-.status-indicator-group { display: flex; align-items: center; gap: 6px; font-size: 10.5px; color: var(--text-secondary); }
-.status-dot { width: 5px; height: 5px; border-radius: 50%; }
-.status-dot.online { background-color: #10b981; }
-
-/* Animations */
-.spinner-light { width: 12px; height: 12px; border: 1.5px solid rgba(255,255,255,0.2); border-top: 1.5px solid #ffffff; border-radius: 50%; animation: spin 0.8s linear infinite; }
-@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
-@keyframes slideUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
+/* Ultra-minimal Showcase chips (Decluttered) */
+.showcase-section {
+    width: 100%;
+}
 
-/* ==========================================================================
-   Responsive
-   ========================================================================== */
-@media (min-width: 641px) {
-    .sidebar-right.collapsed { transform: translateX(100%); }
+.showcase-title {
+    font-size: 12.5px;
+    color: var(--text-secondary);
+    margin-bottom: 12px;
+    text-align: center;
+    font-weight: 500;
 }
 
-@media (max-width: 768px) {
-    :root { --sidebar-left-width: 240px; }
+.showcase-chips-row {
+    display: flex;
+    gap: 10px;
+    justify-content: center;
+    flex-wrap: wrap;
 }
 
-@media (max-width: 640px) {
-    body { font-size: 13.5px; }
+.recipe-chip {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 8px 16px;
+    border-radius: var(--border-radius-pill);
+    background-color: var(--bg-card);
+    border: 1px solid var(--border-color);
+    cursor: pointer;
+    transition: var(--transition-smooth);
+    font-size: 12px;
+    font-weight: 500;
+    color: var(--text-secondary);
+    box-shadow: var(--shadow-sm);
+}
+
+.recipe-chip:hover {
+    background-color: var(--btn-light-bg);
+    border-color: #cbd5e1;
+    color: var(--text-primary);
+    transform: translateY(-1px);
+}
+
+.recipe-chip:active {
+    transform: translateY(0);
+}
+
+.chip-icon {
+    font-size: 14px;
+}
+
+/* Chat thread viewport */
+.chat-thread-container {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    height: 100%;
+    overflow: hidden;
+}
+
+.chat-messages-feed {
+    flex: 1;
+    overflow-y: auto;
+    padding: 24px;
+    display: flex;
+    flex-direction: column;
+    gap: 24px;
+    max-width: 680px;
+    width: 100%;
+    margin: 0 auto;
+}
+
+/* Message bubbles */
+.message-bubble {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    max-width: 90%;
+    animation: slideUp 0.25s ease-out;
+}
+
+.message-bubble.user {
+    align-self: flex-end;
+}
+
+.message-bubble.assistant {
+    align-self: flex-start;
+    width: 100%;
+    max-width: 100%;
+}
+
+.message-meta {
+    font-size: 10px;
+    color: var(--text-muted);
+    font-weight: 600;
+    margin: 0 4px;
+}
+
+.message-bubble.user .message-meta {
+    text-align: right;
+}
+
+.message-body {
+    padding: 10px 14px;
+    border-radius: var(--border-radius-md);
+    font-size: 13.5px;
+    line-height: 1.5;
+    box-shadow: var(--shadow-sm);
+}
+
+.message-bubble.user .message-body {
+    background-color: var(--btn-light-bg);
+    border: 1px solid var(--border-color);
+    color: var(--text-primary);
+    border-bottom-right-radius: 4px;
+}
+
+.message-bubble.assistant .message-body {
+    background-color: var(--bg-card);
+    border: 1px solid var(--border-color);
+    color: var(--text-primary);
+    border-bottom-left-radius: 4px;
+}
+
+/* Bubble attachments grid */
+.bubble-attachments {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
+    gap: 6px;
+    margin-top: 8px;
+    max-width: 320px;
+}
+
+.bubble-attachment-card {
+    border-radius: var(--border-radius-sm);
+    overflow: hidden;
+    border: 1px solid var(--border-color);
+    background-color: #fafafa;
+    position: relative;
+    aspect-ratio: 16/10;
+}
+
+.bubble-attachment-card img,
+.bubble-attachment-card video {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.bubble-attachment-label {
+    position: absolute;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    background: rgba(0, 0, 0, 0.6);
+    color: #fff;
+    font-size: 8px;
+    text-align: center;
+    padding: 1px;
+    font-family: var(--font-mono);
+}
+
+/* Collapsible Thoughts nodes */
+.thought-container {
+    margin-bottom: 12px;
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-sm);
+    overflow: hidden;
+}
+
+.thought-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 6px 10px;
+    background-color: #f9fafb;
+    cursor: pointer;
+    user-select: none;
+    transition: var(--transition-smooth);
+}
+
+.thought-header:hover {
+    background-color: #f3f4f6;
+}
+
+.thought-title-group {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    font-family: var(--font-heading);
+    font-size: 11px;
+    font-weight: 600;
+    color: var(--text-secondary);
+}
+
+.thought-timer {
+    font-family: var(--font-mono);
+    font-size: 9.5px;
+    color: var(--text-muted);
+}
+
+.thought-toggle-icon {
+    font-size: 9px;
+    color: var(--text-secondary);
+    transition: transform 0.2s ease;
+}
+
+.thought-container.collapsed .thought-toggle-icon {
+    transform: rotate(-90deg);
+}
+
+.thought-content {
+    padding: 10px 12px;
+    font-family: var(--font-mono);
+    font-size: 11.5px;
+    color: var(--text-secondary);
+    background-color: #ffffff;
+    border-top: 1px solid var(--border-color);
+    white-space: pre-wrap;
+    max-height: 150px;
+    overflow-y: auto;
+}
+
+.thought-container.collapsed .thought-content {
+    display: none;
+}
+
+/* RP (Roleplay) Markdown Styles */
+.rp-narration {
+    font-style: italic;
+    color: #6b7280;
+    background-color: rgba(107, 114, 128, 0.06);
+    padding: 1px 4px;
+    border-radius: 3px;
+    border-left: 2px solid #9ca3af;
+}
+
+.rp-dialogue {
+    color: #2563eb;
+    font-weight: 500;
+    background-color: rgba(37, 99, 235, 0.06);
+    padding: 1px 4px;
+    border-radius: 3px;
+}
+
+.rp-bold {
+    font-weight: 700;
+    color: #111827;
+}
+
+.rp-ooc {
+    color: #9ca3af;
+    font-style: italic;
+    opacity: 0.7;
+    font-size: 0.9em;
+}
+
+.rp-divider {
+    border: none;
+    border-top: 1px dashed #d1d5db;
+    margin: 12px 0;
+}
+
+/* Toggle Switch Component */
+.toggle-switch {
+    position: relative;
+    display: inline-block;
+    width: 36px;
+    height: 20px;
+    flex-shrink: 0;
+}
+
+.toggle-switch input {
+    opacity: 0;
+    width: 0;
+    height: 0;
+}
+
+.toggle-slider {
+    position: absolute;
+    cursor: pointer;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background-color: #d1d5db;
+    transition: 0.2s;
+    border-radius: 20px;
+}
+
+.toggle-slider:before {
+    position: absolute;
+    content: "";
+    height: 14px;
+    width: 14px;
+    left: 3px;
+    bottom: 3px;
+    background-color: white;
+    transition: 0.2s;
+    border-radius: 50%;
+}
+
+.toggle-switch input:checked + .toggle-slider {
+    background-color: #111827;
+}
+
+.toggle-switch input:checked + .toggle-slider:before {
+    transform: translateX(16px);
+}
+
+.toggle-switch input:focus + .toggle-slider {
+    box-shadow: 0 0 0 2px rgba(17, 24, 39, 0.2);
+}
+
+/* Setting Description Text */
+.setting-description {
+    font-size: 10.5px;
+    color: var(--text-muted);
+    line-height: 1.4;
+    padding-top: 2px;
+}
+
+/* Markdown typography rendering inside bubbles */
+.markdown-body h1,
+.markdown-body h2,
+.markdown-body h3 {
+    margin-top: 12px;
+    margin-bottom: 4px;
+    font-family: var(--font-heading);
+    font-weight: 600;
+}
+
+.markdown-body h1 { font-size: 14.5px; border-bottom: 1px solid var(--border-light); padding-bottom: 2px; }
+.markdown-body h2 { font-size: 13.5px; }
+.markdown-body h3 { font-size: 12.5px; }
+
+.markdown-body p {
+    margin-bottom: 6px;
+}
+
+.markdown-body p:last-child {
+    margin-bottom: 0;
+}
+
+.markdown-body code {
+    font-family: var(--font-mono);
+    font-size: 11px;
+    background-color: var(--btn-light-bg);
+    padding: 2px 4px;
+    border-radius: 4px;
+    color: var(--accent-blue);
+}
+
+.markdown-body pre {
+    margin: 10px 0;
+    border-radius: var(--border-radius-sm);
+    overflow: hidden;
+    border: 1px solid var(--border-color);
+}
+
+.markdown-body pre code {
+    display: block;
+    padding: 10px;
+    overflow-x: auto;
+    background-color: #0f172a !important;
+    color: #e2e8f0;
+}
+
+.markdown-body table {
+    width: 100%;
+    border-collapse: collapse;
+    margin: 10px 0;
+    font-size: 12px;
+}
+
+.markdown-body th,
+.markdown-body td {
+    border: 1px solid var(--border-color);
+    padding: 6px 8px;
+    text-align: left;
+}
+
+.markdown-body th {
+    background-color: var(--bg-primary);
+    font-weight: 600;
+}
+
+/* Reply footer box */
+.chat-mini-footer {
+    padding: 12px 20px;
+    background-color: var(--bg-workspace);
+    border-top: 1px solid var(--border-color);
+}
+
+.chat-mini-footer .console-box {
+    max-width: 680px;
+    margin: 0 auto;
+    box-shadow: var(--shadow-sm);
+    padding: 8px 12px;
+    border-radius: var(--border-radius-md);
+    margin-bottom: 0;
+}
+
+/* Backdrop Overlay for mobile Settings slide */
+.sidebar-overlay {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    background-color: rgba(0, 0, 0, 0.2);
+    backdrop-filter: blur(1.5px);
+    z-index: 990;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.2s ease;
+}
+
+.sidebar-overlay.active {
+    opacity: 1;
+    pointer-events: auto;
+}
+
+/* Collapsible Right settings Drawer */
+.sidebar-right {
+    position: absolute;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    width: 320px;
+    background-color: var(--bg-sidebar);
+    border-left: 1px solid var(--border-color);
+    display: flex;
+    flex-direction: column;
+    z-index: 1000;
+    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
+    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.03);
+    transform: translateX(0);
+}
+
+.sidebar-right.collapsed {
+    transform: translateX(100%);
+}
+
+.right-sidebar-header {
+    padding: 14px 20px;
+    border-bottom: 1px solid var(--border-color);
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.right-sidebar-header h3 {
+    font-family: var(--font-heading);
+    font-size: 13.5px;
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+.close-drawer {
+    border-color: transparent !important;
+}
+
+.close-drawer:hover {
+    background-color: var(--btn-light-bg) !important;
+}
+
+.sidebar-right-content {
+    flex: 1;
+    overflow-y: auto;
+    padding: 16px;
+    display: flex;
+    flex-direction: column;
+    gap: 14px;
+}
+
+.right-block-card {
+    background-color: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-md);
+    padding: 14px;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.flex-1-card {
+    flex: 1;
+    min-height: 180px;
+}
+
+.card-block-header {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+.block-title {
+    font-family: var(--font-heading);
+    font-size: 12px;
+    font-weight: 600;
+    color: var(--text-primary);
+}
+
+/* Password Toggle and Credentials field */
+input[type="password"] {
+    width: 100%;
+    background-color: #f9fafb;
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-sm);
+    color: var(--text-primary);
+    padding: 7px 10px;
+    font-size: 12px;
+    font-family: var(--font-body);
+    transition: var(--transition-smooth);
+}
+
+input[type="password"]:focus {
+    outline: none;
+    border-color: var(--border-focus);
+    background-color: #ffffff;
+}
+
+.password-wrapper {
+    position: relative;
+    display: flex;
+    align-items: center;
+}
+
+.password-wrapper input {
+    padding-right: 32px;
+}
+
+.visibility-toggle {
+    position: absolute;
+    right: 6px;
+    background: transparent;
+    border: none;
+    color: var(--text-muted);
+    cursor: pointer;
+    padding: 4px;
+    display: flex;
+    align-items: center;
+}
+
+.visibility-toggle:hover {
+    color: var(--text-primary);
+}
+
+/* Effort Radio Buttons Pills */
+.effort-picker {
+    display: flex;
+    background-color: #f9fafb;
+    border: 1px solid var(--border-color);
+    padding: 2.5px;
+    border-radius: var(--border-radius-sm);
+    gap: 2px;
+}
+
+.effort-pill {
+    flex: 1;
+    cursor: pointer;
+    text-align: center;
+    position: relative;
+}
+
+.effort-pill input {
+    position: absolute;
+    opacity: 0;
+    width: 0;
+    height: 0;
+}
+
+.effort-pill span {
+    display: block;
+    padding: 5px 0;
+    font-size: 11px;
+    font-weight: 500;
+    border-radius: 4px;
+    color: var(--text-secondary);
+    transition: var(--transition-smooth);
+    font-family: var(--font-heading);
+}
+
+.effort-pill input:checked + span {
+    background-color: #111827;
+    color: #ffffff;
+}
+
+.effort-pill:hover span:not(input:checked + span) {
+    color: var(--text-primary);
+    background-color: rgba(0,0,0,0.02);
+}
+
+/* Uploader & Media chips settings list */
+.shelf-list {
+    display: flex;
+    flex-direction: column;
+    gap: 6px;
+    overflow-y: auto;
+}
+
+.empty-shelf-text {
+    font-size: 10.5px;
+    color: var(--text-muted);
+    text-align: center;
+    padding: 8px 0;
+    font-style: italic;
+}
+
+/* System Prompt Textarea */
+.system-prompt-textarea {
+    width: 100%;
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-sm);
+    background-color: #f9fafb;
+    color: var(--text-primary);
+    font-family: var(--font-body);
+    font-size: 12px;
+    line-height: 1.5;
+    padding: 8px 10px;
+    resize: vertical;
+    min-height: 60px;
+    outline: none;
+    transition: var(--transition-smooth);
+}
+
+.system-prompt-textarea:focus {
+    border-color: var(--border-focus);
+    background-color: #ffffff;
+}
+
+.system-prompt-textarea::placeholder {
+    color: var(--text-muted);
+}
+
+/* Slider Input */
+.slider-input {
+    -webkit-appearance: none;
+    appearance: none;
+    width: 100%;
+    height: 4px;
+    border-radius: 2px;
+    background-color: #e5e7eb;
+    outline: none;
+    cursor: pointer;
+}
+
+.slider-input::-webkit-slider-thumb {
+    -webkit-appearance: none;
+    appearance: none;
+    width: 14px;
+    height: 14px;
+    border-radius: 50%;
+    background-color: #111827;
+    cursor: pointer;
+    transition: var(--transition-smooth);
+}
+
+.slider-input::-webkit-slider-thumb:hover {
+    background-color: #1f2937;
+    transform: scale(1.1);
+}
+
+.slider-input::-moz-range-thumb {
+    width: 14px;
+    height: 14px;
+    border-radius: 50%;
+    background-color: #111827;
+    cursor: pointer;
+    border: none;
+}
+
+/* Block Value Display */
+.block-value {
+    font-family: var(--font-mono);
+    font-size: 11px;
+    color: var(--text-secondary);
+    font-weight: 500;
+}
+
+/* Code Block Copy Button */
+.code-block-wrapper {
+    position: relative;
+}
+
+.code-block-wrapper .copy-code-btn {
+    position: absolute;
+    top: 6px;
+    right: 6px;
+    background-color: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    color: #9ca3af;
+    font-size: 10px;
+    font-family: var(--font-mono);
+    padding: 2px 8px;
+    border-radius: 4px;
+    cursor: pointer;
+    transition: var(--transition-smooth);
+}
+
+.code-block-wrapper .copy-code-btn:hover {
+    background-color: rgba(255, 255, 255, 0.2);
+    color: #e5e7eb;
+}
+
+.media-chip {
+    display: flex;
+    align-items: center;
+    background-color: #f9fafb;
+    border: 1px solid var(--border-color);
+    border-radius: var(--border-radius-sm);
+    padding: 5px 8px;
+    gap: 8px;
+    transition: var(--transition-smooth);
+}
+
+.media-chip-preview {
+    width: 24px;
+    height: 24px;
+    border-radius: 4px;
+    object-fit: cover;
+    background-color: #eaeaea;
+    flex-shrink: 0;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    font-size: 10px;
+}
+
+.media-chip-preview img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.media-chip-details {
+    flex: 1;
+    min-width: 0;
+}
+
+.media-chip-name {
+    font-size: 10.5px;
+    font-weight: 500;
+    white-space: nowrap;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    color: var(--text-primary);
+}
+
+.media-chip-meta {
+    font-size: 9px;
+    color: var(--text-muted);
+    display: flex;
+    gap: 4px;
+}
+
+.media-chip-remove {
+    background: transparent;
+    border: none;
+    color: var(--text-muted);
+    cursor: pointer;
+    padding: 3px;
+    display: flex;
+}
+
+.media-chip-remove:hover {
+    color: var(--danger);
+}
+
+/* Attachment preview thumbnail inside input fields */
+.quick-preview-item {
+    width: 32px;
+    height: 32px;
+    border-radius: var(--border-radius-sm);
+    border: 1px solid var(--border-color);
+    overflow: hidden;
+    position: relative;
+    flex-shrink: 0;
+}
+
+.quick-preview-item img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.quick-preview-badge {
+    position: absolute;
+    top: 1.5px;
+    right: 1.5px;
+    background-color: var(--accent-blue);
+    width: 6px;
+    height: 6px;
+    border-radius: 50%;
+}
+
+.right-sidebar-footer {
+    padding: 10px 16px;
+    border-top: 1px solid var(--border-color);
+}
+
+.status-indicator-group {
+    display: flex;
+    align-items: center;
+    gap: 6px;
+    font-size: 10.5px;
+    color: var(--text-secondary);
+}
+
+.status-dot {
+    width: 5px;
+    height: 5px;
+    border-radius: 50%;
+}
+
+.status-dot.online {
+    background-color: #10b981;
+}
+
+/* Loading animations */
+.spinner-light {
+    width: 12px;
+    height: 12px;
+    border: 1.5px solid rgba(255, 255, 255, 0.2);
+    border-top: 1.5px solid #ffffff;
+    border-radius: 50%;
+    animation: spin 0.8s linear infinite;
+}
+
+@keyframes spin {
+    0% { transform: rotate(0deg); }
+    100% { transform: rotate(360deg); }
+}
+
+@keyframes slideUp {
+    from { opacity: 0; transform: translateY(8px); }
+    to { opacity: 1; transform: translateY(0); }
+}
+
+/* ==========================================================================
+   Responsive & Mobile Design Rules
+   ========================================================================== */
+
+/* Drawer behavior on Tablet and Desktop */
+@media (min-width: 641px) {
+    .sidebar-right.collapsed {
+        transform: translateX(100%);
+    }
     
+    /* When settings are open, we can optionally squeeze the workspace */
+    .app-container:not(.settings-collapsed) .main-workspace {
+        /* Only apply if you want layout shifting. Slicing over is cleaner! */
+    }
+}
+
+/* Mobile: Left sidebar becomes an overlay */
+@media (max-width: 768px) {
     .sidebar-left {
         position: absolute;
-        top: 0; left: 0; bottom: 0;
-        z-index: 999;
+        top: 0;
+        left: 0;
+        bottom: 0;
+        z-index: 950;
         transform: translateX(-100%);
-        transition: transform 0.25s cubic-bezier(0.4,0,0.2,1);
-        box-shadow: 4px 0 20px rgba(0,0,0,0.08);
+        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.05);
+    }
+
+    .sidebar-left.open {
+        transform: translateX(0);
+    }
+}
+
+@media (min-width: 769px) {
+    .sidebar-overlay-left {
+        display: none !important;
+    }
+
+    .btn-close-left {
+        display: none !important;
+    }
+}
+
+/* Ultra-mobile scaling details (screens < 640px) */
+@media (max-width: 640px) {
+    body {
+        font-size: 13.5px;
+    }
+    
+    .workspace-header {
+        padding: 0 16px;
+    }
+    
+    /* Header action labels hidden, only icons visible */
+    .header-btn span {
+        display: none;
+    }
+    
+    .header-btn {
+        padding: 8px;
     }
-    .sidebar-left.collapsed { transform: translateX(-100%); }
-    .sidebar-left.mobile-open { transform: translateX(0); width: 260px; min-width: 260px; opacity: 1; pointer-events: auto; }
     
-    .mobile-only { display: flex !important; }
+    /* Left sidebar covers full width on small mobile */
+    .sidebar-left {
+        width: 100% !important;
+        min-width: 100% !important;
+    }
+    
+    /* Settings slides covers 100% width on mobile */
+    .sidebar-right {
+        width: 100% !important;
+        border-left: none;
+    }
+    
+    .studio-dashboard {
+        padding: 30px 16px;
+    }
+    
+    .welcome-heading {
+        font-size: 22px;
+        margin-bottom: 20px;
+    }
     
-    .workspace-header { padding: 0 16px; }
-    .header-btn span { display: none; }
-    .header-btn { padding: 8px; }
+    /* Chat thread viewport layout */
+    .chat-messages-feed {
+        padding: 16px;
+        gap: 18px;
+    }
+    
+    .message-body {
+        padding: 9px 12px;
+        font-size: 13px;
+    }
+    
+    .message-bubble {
+        max-width: 95%;
+    }
     
-    .sidebar-right { width: 100% !important; border-left: none; }
+    .chat-mini-footer {
+        padding: 10px 12px;
+    }
     
-    .studio-dashboard { padding: 30px 16px; }
-    .welcome-heading { font-size: 22px; margin-bottom: 20px; }
+    .recipe-chip {
+        padding: 6px 12px;
+        font-size: 11.5px;
+    }
     
-    .chat-messages-feed { padding: 16px; gap: 18px; }
-    .message-body { padding: 9px 12px; font-size: 13px; }
-    .message-bubble { max-width: 95%; }
-    .chat-mini-footer { padding: 10px 12px; }
-    .recipe-chip { padding: 6px 12px; font-size: 11.5px; }
-    .code-block-wrapper .copy-code-btn { font-size: 9px; padding: 1px 6px; }
+    .code-block-wrapper .copy-code-btn {
+        font-size: 9px;
+        padding: 1px 6px;
+    }
 }