* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #0f0f1a; color: rgba(255,255,255,0.9); min-height: 100vh; }
.wrap { max-width: 380px; margin: 80px auto; background: #16161f; padding: 24px; border-radius: 14px; border: 1px solid #222; }
h2 { text-align: center; margin-bottom: 16px; font-size: 20px; }
input { width: 100%; padding: 10px 14px; margin: 8px 0; border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; background: rgba(255,255,255,0.06); color: white; font-size: 14px; outline: none; }
button { width: 100%; padding: 10px; margin-top: 8px; border-radius: 10px; border: none; background: linear-gradient(135deg, #667eea, #764ba2); color: white; cursor: pointer; font-size: 14px; font-weight: 600; }
button:hover { opacity: 0.9; }
.tip { text-align: center; color: rgba(255,255,255,0.4); font-size: 13px; margin-top: 8px; cursor: pointer; }
.tip:hover { color: rgba(255,255,255,0.7); }
.msg { color: #ff6b6b; font-size: 13px; margin-top: 8px; text-align: center; }
#app { display: none; padding: 20px; max-width: 900px; margin: 0 auto; }
.panel { display: none; }
.panel.active { display: block; }
.card { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.key-text { font-family: monospace; font-size: 13px; padding: 8px 12px; background: rgba(0,0,0,0.3); border-radius: 8px; margin: 8px 0; word-break: break-all; }
.progress { width: 100%; height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; margin: 8px 0; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, #667eea, #51cf66); border-radius: 3px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.actions button { width: auto; padding: 6px 14px; font-size: 12px; }
.actions button.danger { background: rgba(255,50,50,0.2); color: #ff6b6b; }
.actions button.primary { background: linear-gradient(135deg, #667eea, #764ba2); }
.redeem-row { display: flex; gap: 8px; margin-bottom: 12px; }
.redeem-row input { flex: 1; margin: 0; }
.redeem-row button { width: auto; padding: 8px 16px; margin: 0; background: linear-gradient(135deg, #f59f00, #e67700); }
.chat-box { height: 400px; overflow-y: auto; border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 16px; margin-bottom: 12px; background: rgba(255,255,255,0.02); }
.chat-msg { margin-bottom: 10px; padding: 10px 14px; border-radius: 10px; max-width: 85%; line-height: 1.5; font-size: 14px; word-break: break-word; }
.chat-user { background: linear-gradient(135deg, rgba(102,126,234,0.3), rgba(118,75,162,0.3)); margin-left: auto; }
.chat-ai { background: rgba(255,255,255,0.05); }
.chat-err { background: rgba(255,50,50,0.1); color: #ff6b6b; }
.input-row { display: flex; gap: 10px; }
.input-row textarea { flex: 1; padding: 10px 14px; border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; background: rgba(255,255,255,0.06); color: white; font-size: 14px; outline: none; resize: none; min-height: 44px; }
.input-row button { width: auto; padding: 10px 20px; margin: 0; }
.controls { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.controls input { flex: 1; min-width: 160px; margin: 0; }
.controls select { flex: 1; min-width: 160px; padding: 10px 14px; border: 1px solid rgba(255,255,255,0.12); border-radius: 10px; background: rgba(255,255,255,0.06); color: white; font-size: 14px; outline: none; }
.controls button { width: auto; padding: 10px 16px; margin: 0; }
.section { background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1); border-radius: 12px; padding: 16px; margin-bottom: 12px; }
.section h3 { font-size: 14px; margin-bottom: 10px; color: rgba(255,255,255,0.7); }
.row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid rgba(255,255,255,0.06); font-size: 13px; }
.row span:first-child { color: rgba(255,255,255,0.5); }