h1 { text-align: center; }

.hw-techniques {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 10px;
}
.hw-technique-card {
    background: var(--bg-card);
    border: 1px solid rgba(51, 153, 255, 0.2);
    border-radius: 14px;
    padding: 20px 22px;
    transition: border-color 0.2s;
}
.hw-technique-card:hover { border-color: rgba(51, 153, 255, 0.45); }
.hw-technique-icon { font-size: 1.8rem; margin-bottom: 10px; }
.hw-technique-card h4 {
    margin: 0 0 8px;
    font-size: 0.97rem;
    background: linear-gradient(135deg, #3399ff, #66d9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hw-technique-card p {
    margin: 0;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.55;
}

/* Demo Layout */
.hw-demo-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 16px;
}
@media (max-width: 768px) { .hw-demo-layout { grid-template-columns: 1fr; } }

.hw-panel {
    background: var(--bg-card);
    border: 1px solid rgba(51, 153, 255, 0.15);
    border-radius: 14px;
    padding: 20px;
}
.hw-panel h4 {
    margin: 0 0 14px;
    font-size: 0.95rem;
    background: linear-gradient(135deg, #3399ff, #66d9ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hw-visual {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    background: rgba(255,255,255,0.04);
    border-radius: 10px;
    margin-bottom: 14px;
}
.hw-icon { font-size: 2.2rem; flex-shrink: 0; }
.hw-status { font-size: 0.88rem; color: rgba(255,255,255,0.7); line-height: 1.5; }
.hw-status strong { display: block; color: #fff; margin-bottom: 2px; }

.hw-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 6px;
}
.hw-badge.idle { background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.5); }
.hw-badge.active { background: rgba(239,68,68,0.2); color: #f87171; animation: hw-pulse 1s ease-in-out infinite; }
.hw-badge.done { background: rgba(34,197,94,0.2); color: #86efac; }
@keyframes hw-pulse { 0%,100% { opacity:1; } 50% { opacity:0.5; } }

.hw-action-btn {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: none;
    background: linear-gradient(135deg, #3399ff, #66d9ff);
    color: #0f172a;
    font-weight: 700;
    font-size: 0.9rem;
    cursor: pointer;
    transition: opacity 0.2s;
    margin-top: 10px;
}
.hw-action-btn:hover:not(:disabled) { opacity: 0.88; }
.hw-action-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Terminal */
.hw-terminal {
    background: #0d1117;
    border: 1px solid rgba(51,153,255,0.2);
    border-radius: 14px;
    overflow: hidden;
    font-family: 'Courier New', monospace;
}
.hw-terminal-bar {
    background: rgba(255,255,255,0.05);
    padding: 8px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid rgba(255,255,255,0.07);
}
.hw-terminal-dot { width: 10px; height: 10px; border-radius: 50%; }
.hw-terminal-dot:nth-child(1) { background: #ef4444; }
.hw-terminal-dot:nth-child(2) { background: #f59e0b; }
.hw-terminal-dot:nth-child(3) { background: #22c55e; }
.hw-terminal-title { font-size: 0.78rem; color: rgba(255,255,255,0.4); margin-left: 4px; }
.hw-terminal-body {
    padding: 14px 16px;
    min-height: 200px;
    max-height: 280px;
    overflow-y: auto;
    font-size: 0.82rem;
    line-height: 1.7;
}
.hw-terminal-body::-webkit-scrollbar { width: 4px; }
.hw-terminal-body::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.15); border-radius: 2px; }
.hw-line-prompt { color: #3399ff; }
.hw-line-cmd { color: #e2e8f0; }
.hw-line-output { color: rgba(255,255,255,0.45); }
.hw-line-danger { color: #f87171; }
.hw-line-success { color: #86efac; }
.hw-line-warn { color: #fbbf24; }
.hw-cursor {
    display: inline-block; width: 8px; height: 14px;
    background: #3399ff; vertical-align: middle;
    animation: hw-blink 0.8s step-end infinite;
}
@keyframes hw-blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.hw-result-banner {
    display: none;
    margin-top: 14px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.88rem;
    font-weight: 600;
}
.hw-result-banner.danger { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.35); color: #f87171; }
.hw-result-banner.safe { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: #86efac; }
.hw-demo-btns { margin-top: 16px; display: flex; gap: 10px; flex-wrap: wrap; }