* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: #f5f7fa;
    color: #333;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    padding: 20px;
}

.container {
    max-width: 860px;
    width: 100%;
}

h1 {
    color: #1e4b69;
    text-align: center;
    font-size: 1.8rem;
    margin-bottom: 4px;
}

.subtitle {
    text-align: center;
    color: #666;
    font-size: 0.95rem;
    margin-bottom: 28px;
}

.pipeline {
    display: flex;
    align-items: center;
    gap: 0;
    overflow-x: auto;
    padding: 16px 0 24px;
    margin-bottom: 20px;
}

.stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
    cursor: pointer;
    position: relative;
}

.stage-box {
    width: 90px;
    height: 90px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8px;
    transition: transform 0.2s, box-shadow 0.2s;
    color: #fff;
    position: relative;
}

.stage:hover .stage-box {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
    z-index: 2;
}

.stage.active .stage-box {
    box-shadow: 0 0 0 3px #fff, 0 0 0 5px #1e4b69;
}

.stage-icon {
    font-size: 1.5rem;
    margin-bottom: 4px;
}

.stage-name {
    font-size: 0.65rem;
    font-weight: 600;
    line-height: 1.2;
}

.stage-category {
    font-size: 0.55rem;
    opacity: 0.8;
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stage-connector {
    width: 24px;
    height: 3px;
    position: relative;
    flex-shrink: 0;
}

.stage-connector::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: #ccc;
}

.stage-connector::after {
    content: '';
    position: absolute;
    top: -4px;
    right: -2px;
    width: 0;
    height: 0;
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 8px solid #ccc;
}

.gate-indicator {
    position: absolute;
    bottom: -18px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 600;
    white-space: nowrap;
    padding: 1px 6px;
    border-radius: 4px;
    background: #e8f5e9;
    color: #2e7d32;
}

.color-dev { background: linear-gradient(135deg, #2471a3, #2e86c1); }
.color-build { background: linear-gradient(135deg, #5d6d7e, #7f8c8d); }
.color-test { background: linear-gradient(135deg, #1e8449, #27ae60); }
.color-deploy { background: linear-gradient(135deg, #d35400, #e67e22); }

.info-panel {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    display: none;
    animation: fadeIn 0.3s ease;
}

.info-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.info-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.info-icon {
    font-size: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}

.info-panel h2 {
    color: #1e4b69;
    font-size: 1.3rem;
}

.info-panel p {
    color: #555;
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 16px;
}

.info-section {
    margin-bottom: 16px;
}

.info-section h3 {
    color: #1e4b69;
    font-size: 1rem;
    margin-bottom: 8px;
}

.info-section ul {
    list-style: none;
    padding: 0;
}

.info-section li {
    padding: 4px 0 4px 20px;
    position: relative;
    color: #555;
    font-size: 0.9rem;
    line-height: 1.5;
}

.info-section li::before {
    content: '\25B8';
    position: absolute;
    left: 4px;
    color: #1e4b69;
}

.failure-section {
    background: #fef5f5;
    border-left: 3px solid #e74c3c;
    padding: 12px 16px;
    border-radius: 0 8px 8px 0;
}

.failure-section h3 {
    color: #c0392b;
}

.failure-section p {
    color: #721c24;
    margin-bottom: 0;
}

@media (max-width: 700px) {
    .pipeline {
        flex-wrap: wrap;
        justify-content: center;
        gap: 8px;
    }

    .stage-connector {
        display: none;
    }

    .stage-box {
        width: 80px;
        height: 80px;
    }

    h1 { font-size: 1.3rem; }
}