init: Kira — AI body double with Honcho memory

Full voice pipeline (Whisper STT -> DeepSeek LLM -> OpenAI TTS),
animated SVG avatar (Live2D-ready), girly-pop UI, lofi music,
timer/notes/pets/wardrobe widgets, 10 background scenes with
particle effects, Honcho cross-session memory.

frontend/src/index.css

@@ -0,0 +1,57 @@
+@import "tailwindcss";
+
+@theme {
+  --color-kira-pink: #FFB6C1;
+  --color-kira-lav: #D8B4FE;
+  --color-kira-mint: #A7F3D0;
+  --color-kira-bg: #FFF5F5;
+  --color-kira-plum: #4A1942;
+  --color-kira-violet: #7C3AED;
+  --color-kira-card: #FFFFFF;
+  --color-kira-glow: #FDF2F8;
+  --font-nunito: 'Nunito', sans-serif;
+}
+
+body {
+  margin: 0;
+  font-family: 'Nunito', sans-serif;
+  background-color: var(--color-kira-bg);
+  color: var(--color-kira-plum);
+  overflow: hidden;
+  height: 100vh;
+  width: 100vw;
+}
+
+#root {
+  height: 100vh;
+  width: 100vw;
+}
+
+.glass-card {
+  background: rgba(255, 255, 255, 0.7);
+  backdrop-filter: blur(12px);
+  border: 1px solid rgba(255, 182, 193, 0.3);
+  border-radius: 16px;
+  box-shadow: 0 4px 24px rgba(74, 25, 66, 0.08);
+}
+
+.btn-kira {
+  background: linear-gradient(135deg, #FFB6C1, #D8B4FE);
+  color: white;
+  font-weight: 600;
+  border: none;
+  border-radius: 12px;
+  padding: 8px 20px;
+  cursor: pointer;
+  transition: all 0.2s;
+  font-family: 'Nunito', sans-serif;
+}
+
+.btn-kira:hover {
+  transform: scale(1.03);
+  box-shadow: 0 4px 16px rgba(255, 182, 193, 0.4);
+}
+
+.btn-kira:active {
+  transform: scale(0.97);
+}