:root{--bg-primary: #0d1117;--bg-secondary: #161b22;--bg-card: #1c2128;--border: #30363d;--text-primary: #e6edf3;--text-secondary: #8b949e;--accent: #58a6ff;--green: #3fb950;--red: #f85149;--yellow: #d29922;--orange: #db6d28}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.5}.layout{min-height:100vh;display:flex;flex-direction:column}header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:1rem 2rem}.header-content{max-width:1400px;margin:0 auto;display:flex;align-items:baseline;gap:1rem}header h1{font-size:1.5rem;font-weight:600;color:var(--accent)}.subtitle{color:var(--text-secondary);font-size:.875rem}main{flex:1;max-width:1400px;margin:0 auto;padding:1.5rem 2rem;width:100%}footer{background:var(--bg-secondary);border-top:1px solid var(--border);padding:.75rem 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var(--border)}.countdown-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.countdown-label{font-size:.75rem;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.countdown-value{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;color:var(--accent)}.countdown-soon{color:var(--green);animation:pulse 1s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.progress-track{width:100%;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:2px;transition:width 1s linear}.card-header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.card-header-row h2{margin-bottom:0}.test-alert-btn{padding:.4rem 1rem;border:1px solid var(--border);border-radius:6px;background:var(--bg-secondary);color:var(--text-primary);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s ease}.test-alert-btn:hover:not(:disabled){background:var(--accent);border-color:var(--accent);color:#fff}.test-alert-btn:disabled{opacity:.5;cursor:not-allowed}.test-alert-btn.success{border-color:var(--green);color:var(--green)}.test-alert-btn.fail{border-color:var(--red);color:var(--red)}.test-alert-msg{font-size:.78rem;padding:.5rem .75rem;border-radius:6px;margin-bottom:1rem}.msg-success{background:#3fb9501a;color:var(--green);border:1px solid rgba(63,185,80,.25)}.msg-fail{background:#f851491a;color:var(--red);border:1px solid rgba(248,81,73,.25)}.header-actions{margin-right:auto;margin-left:auto}.reset-db-btn{padding:.4rem 1rem;border:1px solid var(--red);border-radius:6px;background:transparent;color:var(--red);font-size:.8rem;font-weight:500;cursor:pointer;transition:all .15s ease}.reset-db-btn:hover:not(:disabled){background:var(--red);color:#fff}.reset-db-btn:disabled{opacity:.5;cursor:not-allowed}.confirm-bar{display:flex;align-items:center;gap:.75rem;padding:.6rem 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