refactor: simplify Parser UI to premium clean style

app.py

@@ -453,6 +453,124 @@ ul.options, .gr-dropdown-options {
     background-color: rgba(30, 41, 59, 0.4) !important;
     border: 1px solid rgba(148, 163, 184, 0.2) !important;
 }
+
+/* === Premium Clean Overrides === */
+:root {
+    --bg: #0b1120;
+    --surface: #111827;
+    --surface-2: #0f172a;
+    --border: #1f2937;
+    --text: #e5e7eb;
+    --muted: #94a3b8;
+    --accent: #6366f1;
+}
+
+body {
+    background-color: var(--bg) !important;
+    color: var(--text) !important;
+}
+
+.gradio-container {
+    background: var(--bg) !important;
+    width: 95vw !important;
+    max-width: 1400px !important;
+    margin: 0 auto !important;
+}
+
+.main-title {
+    background: none !important;
+    -webkit-text-fill-color: unset !important;
+    color: var(--text) !important;
+    font-size: 2.4rem !important;
+    letter-spacing: -0.01em !important;
+}
+
+.subtitle {
+    color: var(--muted) !important;
+    margin-bottom: 2rem !important;
+}
+
+.glass-panel {
+    background: linear-gradient(180deg, rgba(17, 24, 39, 0.95), rgba(15, 23, 42, 0.95)) !important;
+    border: 1px solid var(--border) !important;
+    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.35) !important;
+}
+
+.section-header {
+    color: var(--text) !important;
+    border-bottom: 1px solid var(--border) !important;
+    text-shadow: none !important;
+}
+
+/* Labels & descriptions */
+.block > label > span,
+.form > label > span,
+.gr-form > label > span,
+.label-wrap > span,
+span.description,
+.description {
+    color: var(--muted) !important;
+    text-shadow: none !important;
+}
+
+/* Inputs */
+.gr-input, textarea, input, .gr-box, .gr-check-radio, .gr-dropdown {
+    background-color: var(--surface-2) !important;
+    border: 1px solid var(--border) !important;
+    color: var(--text) !important;
+}
+
+.gr-input:focus, textarea:focus, input:focus {
+    border-color: var(--accent) !important;
+    background-color: #111827 !important;
+}
+
+/* Buttons */
+.gr-button-primary {
+    background: var(--accent) !important;
+    box-shadow: none !important;
+    color: #ffffff !important;
+}
+
+.gr-button-primary:hover {
+    background: #4f46e5 !important;
+}
+
+.gr-button-secondary {
+    background: transparent !important;
+    border: 1px solid var(--border) !important;
+    color: var(--text) !important;
+}
+
+.gr-button-secondary:hover {
+    background: rgba(31, 41, 55, 0.6) !important;
+}
+
+/* Tabs */
+.tab-nav button {
+    color: var(--muted) !important;
+}
+
+.tab-nav button.selected {
+    color: var(--text) !important;
+    border-bottom: 2px solid var(--accent) !important;
+}
+
+/* Output */
+.output-textbox, .markdown-box {
+    background-color: var(--surface-2) !important;
+    border: 1px solid var(--border) !important;
+    height: 560px !important;
+    max-height: 560px !important;
+}
+
+.markdown-box, .markdown-box * {
+    color: var(--text) !important;
+}
+
+.markdown-box code, .markdown-box pre {
+    background: #1f2937 !important;
+}
 """
 
 # Build Gradio interface