diff --git a/app/static/style_v2.css b/app/static/style_v2.css
new file mode 100644
index 0000000..3625df3
--- /dev/null
+++ b/app/static/style_v2.css
@@ -0,0 +1,177 @@
+:root {
+    --primary: #007bff;
+    --accent: #ff9800;
+    --success: #28a745;
+    --danger: #dc3545;
+    --bg: #f4f4f9;
+}
+
+body {
+    font-family: sans-serif;
+    background: var(--bg);
+    margin: 0;
+    display: flex;
+    flex-direction: column;
+    min-height: 100vh;
+}
+
+.container {
+    flex: 1;
+    max-width: 500px;
+    margin: 0 auto;
+    padding: 20px;
+    width: 100%;
+    box-sizing: border-box;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+}
+
+/* WICHTIG: Damit Quiz-Elemente untereinander sind */
+#quiz-screen {
+    display: flex;
+    flex-direction: column;
+    width: 100%;
+    align-items: center;
+}
+
+h1 { text-align: center; margin-bottom: 20px; color: #333; }
+
+.section-title {
+    font-weight: bold;
+    margin: 20px 0 10px;
+    text-align: center;
+    color: #555;
+    text-transform: uppercase;
+}
+
+/* BUTTONS UNTEREINANDER ERZWINGEN */
+.button-group, .quiz-controls {
+    display: flex;
+    flex-direction: column !important;
+    gap: 15px;
+    width: 100%;
+}
+
+button {
+    display: block !important;
+    width: 100%;
+    padding: 16px;
+    border: 2px solid #ddd;
+    background: white;
+    border-radius: 8px;
+    font-size: 1.1rem;
+    font-weight: bold;
+    cursor: pointer;
+    text-align: center;
+}
+
+button:hover { background: #f0f0f0; }
+
+button.active {
+    background: #e3f2fd;
+    border-color: var(--primary);
+    color: var(--primary);
+}
+
+.special-btn.active {
+    background: #fff3e0;
+    border-color: var(--accent);
+    color: #e65100;
+}
+
+.action-btn { color: white; border: none; margin-top: 0; } /* margin-top regelt der gap */
+.primary { background: var(--primary); }
+.secondary { background: #6c757d; }
+.danger { background: var(--danger); }
+button:disabled { opacity: 0.5; cursor: not-allowed; }
+
+.card {
+    background: white;
+    padding: 25px;
+    border-radius: 12px;
+    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
+    text-align: center;
+    margin-bottom: 25px;
+    width: 100%;
+    box-sizing: border-box;
+}
+
+.label { font-size: 0.9rem; color: #888; text-transform: uppercase; }
+.question { font-size: 2rem; font-weight: bold; margin: 15px 0; color: #222; }
+.hint { color: #888; font-style: italic; margin-bottom: 15px; }
+
+input {
+    width: 100%;
+    padding: 14px;
+    margin-bottom: 10px;
+    border: 2px solid #ddd;
+    border-radius: 8px;
+    font-size: 1.2rem;
+    text-align: center;
+    box-sizing: border-box;
+}
+input:focus { border-color: var(--primary); outline: none; }
+
+.feedback { font-weight: bold; margin-top: 10px; font-size: 1.1rem; min-height: 25px;}
+.correct { color: var(--success); }
+.wrong { color: var(--danger); }
+.typo { color: var(--accent); }
+
+/* OVERLAY */
+.overlay {
+    display: none;
+    position: fixed;
+    top: 0; left: 0; width: 100%; height: 100%;
+    background: rgba(0,0,0,0.5);
+    z-index: 1000;
+    justify-content: center;
+    align-items: center;
+    padding: 20px;
+}
+.overlay-content {
+    background: white;
+    padding: 20px;
+    border-radius: 12px;
+    width: 100%;
+    max-width: 400px;
+    max-height: 80vh;
+    display: flex;
+    flex-direction: column;
+}
+.page-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
+    gap: 10px;
+    overflow-y: auto;
+    margin: 15px 0;
+    flex: 1;
+}
+.page-item label {
+    display: block;
+    padding: 12px;
+    background: #f8f9fa;
+    border-radius: 6px;
+    font-weight: bold;
+    color: #555;
+    text-align: center;
+    cursor: pointer;
+    border: 2px solid transparent;
+}
+.page-item input { display: none; }
+.page-item input:checked + label {
+    background: #e3f2fd;
+    border-color: var(--primary);
+    color: var(--primary);
+}
+
+.progress-container {
+    background: white;
+    padding: 10px;
+    border-top: 1px solid #eee;
+    text-align: center;
+    position: fixed;
+    bottom: 0; left: 0; right: 0;
+}
+.progress-bar-bg { height: 8px; background: #eee; width: 100%; border-radius: 4px; overflow: hidden; margin-top: 5px; }
+.progress-bar-fill { height: 100%; background: var(--success); width: 0%; transition: width 0.3s; }
\ No newline at end of file