:root{--primary: #2563eb;--danger: #dc2626;--success: #059669;--bg: #f7f7f5;--bg2: #ffffff;--text: #1a1a1a;--text2: #888888;--border: #eeeeee;color-scheme:light}*{box-sizing:border-box}html,body,#app{height:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}.page{display:flex;flex-direction:column;min-height:100dvh;max-width:480px;margin:0 auto}.header{padding:14px 16px;background:var(--bg2);border-bottom:1px solid var(--border);font-size:17px;font-weight:700;text-align:center}.scroll-area{flex:1;overflow-y:auto;padding:12px 16px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 16px;border-radius:10px;border:none;font-size:15px;font-weight:600;cursor:pointer;background:var(--primary);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-block{width:100%}.btn-outline{background:transparent;color:var(--primary);border:1.5px solid var(--primary)}.btn-danger{background:var(--danger)}.input{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:10px;font-size:15px;color:var(--text);background:#fff}.input:focus{outline:none;border-color:var(--primary)}.card{background:var(--bg2);border-radius:14px;padding:16px;margin-bottom:12px;box-shadow:0 2px 8px #0000000d}.muted{color:var(--text2);font-size:13px}.error-text{color:var(--danger);font-size:13px;margin:6px 0}