.cc-container {
    max-width: 820px;
    margin: 32px auto;
    padding: 24px 20px;
    background: #0f172a;
    color: #e5e7eb;
    border-radius: 14px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
.cc-container h1 { margin: 0 0 8px; font-size: 1.6rem; }
.cc-container h2 { margin: 0 0 12px; font-size: 1.1rem; color: #cbd5e1; }
.cc-start-form { display: flex; flex-direction: column; gap: 12px; }
.cc-start-form label { display: flex; flex-direction: column; gap: 6px; color: #cbd5e1; }
.cc-start-form select, .cc-start-form button, #cc-guess {
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px solid rgba(148,163,184,0.4);
    background: rgba(2,6,23,0.9);
    color: #e5e7eb;
}
.cc-btn, .cc-input-row button, .cc-digits button {
    cursor: pointer;
    background: linear-gradient(135deg, #0ea5e9, #22c55e);
    color: #0b1120;
    border: none;
    font-weight: 700;
}
.cc-status { display: flex; gap: 14px; flex-wrap: wrap; margin: 10px 0; color: #cbd5e1; }
.cc-board { background: #020617; border-radius: 10px; padding: 12px; margin-bottom: 12px; max-height: 360px; overflow-y: auto; }
.cc-row { display: flex; justify-content: space-between; align-items: center; padding: 6px 8px; border-bottom: 1px solid rgba(148,163,184,0.2); font-family: "JetBrains Mono","SF Mono",Menlo,monospace; }
.cc-row:last-child { border-bottom: none; }
.cc-feedback { display: flex; gap: 8px; }
.cc-feedback span { padding: 3px 8px; border-radius: 999px; font-size: 0.8rem; }
.cc-feedback .black { background: #10b981; color: #022c22; }
.cc-feedback .white { background: #f97316; color: #7c2d12; }
.cc-input-row { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.cc-input-row input { flex: 1; }
.cc-digits { display: flex; flex-wrap: wrap; gap: 6px; }
.cc-status-msg { min-height: 22px; color: #fbbf24; }