/* Estilos para los hitos (milestones) */
.container {
    position: relative;
}

.milestones {
    position: relative;
    height: 40px;
    margin: 10px 0 20px;
}

.milestones-top {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    pointer-events: none;
}

.milestone {
    position: absolute;
    top: 0;
    height: 100%;
    width: 4px;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 6px rgba(0, 0, 0, 0.4);
    transform: translateX(-50%);
}

.milestone::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: calc(100% - 50px);
    left: 50%;
    width: 2px;
    background: rgba(255, 255, 255, 0.8);
    transform: translateX(-50%);
}

.milestone-label {
    position: absolute;
    bottom: calc(100% - 105px);
    transform: translate(-50%, -8px);
    color: #1e1e1e;
    font-weight: bold;
    font-size: 14px;
    background: rgba(255, 255, 255, 0.95);
    padding: 4px 10px;
    border-radius: 12px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
}

.milestone-top-indicator {
    position: absolute;
    top: 6px;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid transparent;
    border-right: 8px solid transparent;
    border-bottom: 12px solid rgba(255, 255, 255, 0.95);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.35));
}

.milestone-top-indicator::after {
    content: '';
    position: absolute;
    top: 12px;
    left: 50%;
    width: 2px;
    height: 16px;
    background: rgba(255, 255, 255, 0.85);
    transform: translateX(-50%);
}